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Objective: To relate the distance traveled from the patient's residence to the gestational trophoblastic neoplasia (GTN) reference center (RC) and the occurrence of unfavorable clinical outcomes, as well as to estimate the possible association between this distance and the risk of metastatic disease at presentation, the need for multiagent chemotherapy to achieve remission and loss to follow-up before remission., Study Design: Retrospective historical cohort study of patients with GTN followed at 8 Brazilian GTN-RC, from January 1st, 2000 - December 31st, 2017., Results: Evaluating 1055 cases of GTN, and using a receiver operating characteristic curve, we found a distance of 56 km (km) from the residence to the GTN-RC (sensitivity = 0.57, specificity = 0.61) best predicted the occurrence of at least one of the following outcomes: occurrence of metastatic disease, need for multiagent chemotherapy to achieve remission, or loss to follow-up during chemotherapy. Multivariate logistic regression adjusted by age, ethnicity, marital status and the reference center location showed that when the distance between residence and GTN-RC was ≥56 km, there was an increase in the occurrence of metastatic disease (relative risk - RR:3.27; 95%CI:2.20-4.85), need for multiagent chemotherapy (RR:1.36; 95%CI:1.05-1.76), loss to follow-up during chemotherapy (RR:4.52; 95CI:1.93-10.63), occurrence of chemoresistance (RR:4.61; 95%CI:3.07-6.93), relapse (RR:10.27; 95%CI:3.08-34.28) and death due to GTN (RR:3.62; 95%CI:1.51-8.67)., Conclusions: The distance between the patient's residence and the GTN-RC is a risk factor for unfavorable outcomes, including death from this disease. It is crucial to guarantee these patients get prompt access to the GTN-RC and receive follow-up support., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Objective: To describe the natural history of hydatidiform mole (HM) after intracytoplasmic sperm injection (ICSI), emphasizing the clinical and oncological outcomes, as compared to patients who had HM after spontaneous conception (SC)., Study Design: Retrospective historical cohort study of patients with HM followed at the Rio de Janeiro Federal University, from January 1st 2000-December 31st 2020., Results: Comparing singleton HM after SC to those following ICSI there were differences in terms of maternal age (24 vs 34 years, p < 0.01), gestational age at diagnosis (10 vs 7 weeks, p < 0.01), preevacuation human chorionic gonadotropin levels (200,000 vs 99,000 IU/L, p < 0.01), occurrence of genital bleeding (60.5 vs 26.9%, p < 0.01) and hyperemesis (23 vs 3.9%, p = 0.02) at presentation, and time to remission (12 vs 5 weeks, p < 0.01), respectively. There were no differences observed in the cases of twin mole, regardless of the form of fertilization that gave rise to HM, except molar histology with greater occurrence of partial hydatidiform mole (10.7 vs 40.0%, p = 0.01) following ICSI. Univariate logistic regression for occurrence of postmolar GTN after ICSI identified no predictor variable for this outcome. However, after adjusting for maternal age and complete hydatidiform mole histology, multivariable logistic regression showed the risk of GTN with HM after ICSI had an adjusted odds ratio of 0.22 (95%CI:0.05-0.93, p = 0.04), suggesting a possible protective effect when compared to HM after SC., Conclusions: Singleton HM after ICSI are diagnosed earlier in gestation, present with fewer medical complications, and may be less likely to develop GTN when compared with HM after SC., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Objective: To investigate the efficacy and toxicity of etoposide, methotrexate, actinomycin D alternating with cyclophosphamide, and vincristine (EMACO) for treatment of gestational trophoblastic neoplasia, and for factors independently associated with EMACO resistance and disease-specific death in an international cohort., Methods: Medical records of GTN patients who received EMACO during 1986-2019 from gestational trophoblastic disease centers from four countries including the USA, Thailand, Hungary, and Brazil, were retrospectively reviewed. Among 335 GTN patients, 266 patients who received EMACO as primary chemotherapy were included in the primary treatment group, and 69 patients who received EMACO after relapse/resistance to single-agent chemotherapy were included in the prior treatment group., Results: Three-quarters (76.1%) of all patients achieved remission, and the survival rate was 89%. The prior treatment group had better outcomes than the primary treatment group relative to remission rate (87.0% vs. 73.3%, p = 0.014) and number of EMACO cycles to achieve remission (3 vs. 6 cycles, p < 0.001). Sustained remission increased to 87.2% in EMACO-resistant patients treated with later-line chemotherapy. Number of metastatic organs ≥2 (adjusted odds ratio [aOR]: 2.33, p = 0.049) was the only independent predictor of EMACO resistance among overall patients. Interval from index pregnancy ≥7 months (aOR: 4.34, p = 0.001), and pretreatment hCG >100,000 IU/L (aOR: 2.85, p = 0.028) were independent predictors of EMACO resistance in the high-risk subgroup. The only factor independently associated with disease-specific death was EMACO resistance (aOR: 176.04, p < 0.001)., Conclusions: EMACO is an effective treatment for GTN. Number of metastatic organs and EMACO resistance were the independent predictors of EMACO resistance and disease-specific death, respectively., Competing Interests: Declaration of Competing Interest All authors declare no conflicts of interest., (Copyright © 2022. Published by Elsevier Inc.)

Objectives: To identify possible clinical factors associated with hyperthyroidism at presentation and to assess post-evacuation thyroid function in women with complete hydatidiform mole (CHM)., Methods: This observational study included women with CHM attending a specialized Brazilian center in 2002-2018. Clinical and laboratory data (serum hCG, TSH, fT4) were collected at presentation. Factors associated with hyperthyroidism were assessed by logistic regression. Receiver-operating characteristic curves were built to determine the hCG cutoff for predicting hyperthyroidism at CHM presentation. Post-molar evacuation follow-up included clinical assessment and close thyroid function monitoring., Results: Of 137 CHM patients, 69 (50.3%) had hyperthyroidism of any type (43.5% subclinical, 56.5% overt) at presentation. Uterine fundal height > 16 cm or > gestational age (GA), and theca lutein cysts >6 cm were significantly associated with both subclinical and overt hyperthyroidism. The optimal hCG cutoff for predicting hyperthyroidism was 430,559 IU/L (sensitivity 85.5%, specificity 83.8%). Post-evacuation hyperthyroidism/transient hypothyroidism conversion was observed in 13% of the women with hyperthyroidism at presentation. Among the patients not showing conversion to hypothyroidism, median time for TSH normalization was 2 and 3 weeks for subclinical and overt hyperthyroidism, respectively. In the women with overt hyperthyroidism, fT4 was normalized at 2 weeks., Conclusions: Uterine fundal height > 16 cm, uterine fundal height > GA, theca lutein cysts >6 cm, and hCG >400,000 IU/L at presentation are associated with greater risk of hyperthyroidism and its complications. Close monitoring thyroid function during postmolar follow-up showed that, as thyroid hormones are normalized within 2-3 weeks post-evacuation, the use of beta-blockers or antithyroid drugs can be rapidly discontinued., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interests., (Copyright © 2022. Published by Elsevier Inc.)

Objective: To compare the outcomes of patients with low-risk gestational trophoblastic neoplasia (GTN) treated with 8-day methotrexate (MTX) with two different regimens of folinic acid (FA)., Methods: Retrospective cohort study of low-risk GTN followed at Rio de Janeiro Federal University, from January/2000-December/2019 with 8-day MTX with FA at 0.1 mg/kg versus 15 mg fixed dose., Results: Among 667 patients with low-risk GTN, 323 were treated with FA at 0.1 mg/kg and 142 with FA at 15 mg fixed dose. The weight-based and fixed dose groups were comparable in terms of clinical profile but did differ in the hCG pretreatment level (8883 versus 5127 IU/L, p < 0.01) and FIGO risk score 5/6 (3.4% versus 18.3%, p < 0.01), respectively. Despite this, there was no difference in the remission rate in first-line treatment (76.8 versus 81%, p = 0.33), although FA at 0.1 mg/kg had a significantly higher number of chemotherapy cycles to remission (5 versus 4, p < 0.01), need to delay chemotherapy due to toxicity (6.8 versus 2.8%, p < 0.01) and time to remission, (12 versus 8 weeks, p < 0.01), respectively. A logistic regression analysis showed that the different FA rescue regimens appeared comparable in terms of achieving remission in first-line chemotherapy for low-risk GTN (OR:5.16, CI95%:0.84-31.64, p = 0.08)., Conclusion: FA with 15 mg fixed dose as compared to 0.1 mg/kg of FA was associated with similar primary remission rate, relapse or death among low-risk GTN treated with 8-day MTX. This regimen is highly practical, reduces visits to health facilities, appears equally safe and may be preferable with the 8-day MTX regimen in the treatment of low-risk GTN., Competing Interests: Declaration of Competing Interest The authors declare no conflict of interests., (Copyright © 2021 Elsevier Inc. All rights reserved.)

Objective: To investigate GTN lethality among Brazilian women comparing cases of death by GTN with those who survived, thereby identifying factors associated with GTN lethality., Methods: We retrospectively reviewed medical records of women with GTN treated at ten Brazilian GTN Reference Centers, from January 1960 to December 2017. We evaluated factors associated with death from GTN and used Cox proportional hazards regression models to identify independent variables with significant influence on the risk of death., Results: From 2186 patients with GTN included in this study, 2092 (95.7%) survived and 89 (4%) died due to GTN. When analyzing the relative risk (RR), adjusted for WHO/FIGO score, patients with low risk disease had a significantly higher risk of death if they had choriocarcinoma (RR: 12.40), metastatic disease (RR: 12.57), chemoresistance (RR: 3.18) or initial treatment outside the Reference Center (RR: 12.22). In relation to patients with high-risk GTN, these factors were significantly associated with death due to GTN: the time between the end of antecedent pregnancy and the initiation of chemotherapy (RR: 4.10), metastatic disease (RR: 14.66), especially in brain (RR: 8.73) and liver (RR: 5.76); absence of chemotherapy or initial treatment with single agent chemotherapy (RR: 10.58 and RR: 1.81, respectively), chemoresistance (RR: 3.20) and the initial treatment outside the Reference Center (RR: 28.30)., Conclusion: The risk of mortality from low and high-risk GTN can be reduced by referral of these patients to a Reference Center or, if not possible, to involve clinicians in a Reference Center with consultation regarding management., Competing Interests: Declaration of competing interest The authors declare no conflict of interests., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Objective: To compare the outcomes of patients with low-risk gestational trophoblastic neoplasia (GTN) treated with standard 8-day methotrexate/folinic acid (MTX/FA) versus modified regimen., Methods: Retrospective cohort study of patients with low-risk GTN followed at Rio de Janeiro Federal University, from January/1990-December/2017 with standard 8-day MTX/FA or modified regimen (MTX administered on the 8th day rather than 7th) to avoid treatment on the weekend., Results: From 937 patients with low-risk GTN, 538 were treated with standard MTX/FA and 98 patients received modified regimen. Both groups were comparable in age (p = .749), antecedent pregnancy (p = .221), time to initiate chemotherapy (p = .926), hCG pretreatment level (p = .112) and WHO/FIGO prognostic risk score (p = .723). Patients treated with modified MTX/FA had twice of cases of metastatic lung disease compared with the standard regimen (22.5% vs 10.6%; p = .002). The rate of remission (p = .999), number of cycles to remission in the first-line (p = .966), chemoresistance (p = .500), time to switch to second-line therapy (p = .176), need for multiagent chemotherapy (p = .084), relapse (p = .122) or death (p = .475) was the same for both MTX/FA regimen. However, although patients receiving modified MTX/FA required a higher total number of remission cycles (6 vs 5 cycles; p = .004) and longer time to remission (19 vs 16 weeks; p < .001) when compared with the standard regimen, these variables showed no significant differences after multivariate logistic regression adjusted for lung metastasis., Conclusion: The modified 8-day MTX/FA regimen didn't compromise oncologic outcomes for women with low-risk GTN. This regimen appears to be an acceptable alternative to standard 8-day MTX/FA when treatment on weekend isn't an option., Competing Interests: Declaration of competing interest The authors declare no conflict of interests., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Objective: To evaluate the impact of periodic shortage of actinomycin-d (Act-d) in the treatment of Brazilian patients with low-risk gestational trophoblastic neoplasia (GTN) after methotrexate and folinic acid rescue (MTX/FA) resistance, treated alternately with carboplatin or etoposide as a second-line regimen., Methods: Retrospective cohort that included patients with failure of first-line MTX/FA regimen for low-risk GTN treated at Rio de Janeiro Federal University, Universidade Federal de São Paulo and Irmandade da Santa Casa de Misericórdia de Porto Alegre, from January/2010- December/2017., Results: From 356 patients with low-risk GTN treated with MTX/FA, 75 (21.1%) developed resistance, of which 40 (53.3%) received Act-d, 23 (30.7%) carboplatin and 7 (9.3%) etoposide. Although patients treated with single-agent chemotherapy as a second-line regimen had comparable clinical and primary treatment characteristics, those treated with Act-d (80%, p = 0.033) or etoposide (71.4%, p = 0.025) had higher remission rates when compared with carboplatin (47.8%). Only 29% of patients treated with carboplatin received the chemotherapy cycles without delay compared to Act-d (98%, p < 0.001) or etoposide (85%, p = 0.009). Patients treated with carboplatin had significantly more hematological toxicity, notably anemia (30.4%, p = 0.008), lymphopenia (47.7%, p < 0.001) and thrombocytopenia (43.4%, p < 0.001), as well as a higher occurrence of febrile neutropenia (14.4%, p = 0.044) and vomiting (60%, p < 0.001) than those receiving Act-d (5%, none, 2.5%, none, 10%, respectively)., Conclusion: Carboplatin did not have a satisfactory clinical response rate, likely due to severe hematological toxicity, which postponed chemotherapy. Our results reinforce the preference for Act-d as a second-line agent in patients with low-risk GTN after MTX/FA resistance., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Objective: To evaluate expectant management versus immediate chemotherapy following pathological diagnosis of gestational choriocarcinoma (GCC) in patients with nonmetastatic disease., Methods: Multicenter retrospective cohort that included patients with histological diagnosis of GCC with nonmetastatic disease followed at one of thirteen Brazilian referral centers for gestational trophoblastic disease from January 2000 to December 2016., Results: Among 3191 patients with gestational trophoblastic neoplasia, 199 patients with nonmetastatic GCC were identified. Chemotherapy was initiated immediately in 152 (76.4%) patients per FIGO 2000 guideline, while 47 (23.6%) were managed expectantly. Both groups presented with similar characteristics and outcomes. All patients (n=12) who had normal human chorionic gonadotropin (hCG) in the first 2-3weeks of expectant management achieved complete sustained remission with no chemotherapy. Only 44.7% (21 patients) of patients who were expectantly managed needed to receive chemotherapy due to plateauing or rising hCG level in the first 2-3weeks of follow up. The outcome of patients receiving chemotherapy after initial expectant management was similar to those who received chemotherapy immediately after the diagnosis in terms of need for multi-agent chemotherapy or number of cycles of chemotherapy. There was no case of relapse or death in either group. Logistic regression analysis showed that age≥40years and hCG≥92,428IU/L at GCC diagnosis were risk factors for needing chemotherapy after initial expectant management of nonmetastatic GCC., Conclusion: In order to avoid exposing patients unnecessarily to chemotherapy, close surveillance of women with pathological diagnosis of nonmetastatic GCC seems to be a safe practice, particularly for those who have a normal hCG at the time of diagnosis. If confirmed by other studies, the FIGO guidelines may need to be revised., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objective: To evaluate the influence of hormonal contraception (HC) on the development and clinical aggressiveness of gestational trophoblastic neoplasia (GTN) and the time for normalization of human chorionic gonadotropin (hCG) levels., Methods: A retrospective cohort study was conducted with women diagnosed with molar pregnancy, followed at the Rio de Janeiro Trophoblastic Disease Center, between January 2005 and January 2015. The occurrence of postmolar GTN and the time for hCG normalization between users of HC or barrier methods (BM) during the postmolar follow-up or GTN treatment were evaluated., Results: Among 2828 patients included in this study, 2680 (95%) used HC and 148 (5%) used BM. The use of HC did not significantly influence the occurrence of GTN (ORa: 0.66, 95% CI: 0.24-1.12, p=0.060), despite different formulations: progesterone-only (ORa: 0.54, 95% CI: 0.29-1.01, p=0.060) or combined oral contraception (COC) (ORa: 0.50, 95% CI: 0.27-1.01, p=0.60) or with different dosages of ethinyl estradiol: 15mcg (ORa, 1.33, 95% CI 0.79-2.24, p=0.288), 20mcg (ORa: 1.02, 95% CI: 0.64-1.65, p=0.901), 30mcg (ORa: 1.17, 95% CI: 0.78-1.75, p=0.437) or 35mcg (ORa: 0.77, 95% CI: 0.42-1.39, p=0.386). Time to hCG normalization ≥10weeks (ORa: 0.58, 95% CI: 0.43-1.08, p=0.071) or time to remission with chemotherapy≥14weeks (ORa: 0.60, 95% CI: 0.43-1.09, p=0.067) did not significantly differ among HC users when compared to patients using BM, when controlling for other risk factors using multivariate logistic regression., Conclusions: The use of HC during postmolar follow-up or GTN treatment does not seem to increase the risk of GTN or its severity and does not postpone the normalization of hCG levels., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objective: To determine the clinical characteristics of multiple gestation with complete mole and coexisting fetus (CHMCF) in North and South America., Methods: Retrospective non-concurrent cohorts compromised of CHMCF from New England Trophoblastic Disease Center (NETDC) (1966-2015) and four Brazilian Trophoblastic Disease Centers (BTDC) (1990-2015)., Results: From a total of 12,455 cases of gestational trophoblastic disease seen, 72 CHMCF were identified. Clinical characteristics were similar between BTDC (n=46) and NETDC (n=13) from 1990 to 2015, apart from a much higher frequency of potentially life-threatening conditions in Brazil (p=0.046). There were no significant changes in the clinical presentation or outcomes over the past 5 decades in NETDC (13 cases in 1966-1989 vs 13 cases in 1990-2015). Ten pregnancies were electively terminated and 35 cases resulted in viable live births (60% of 60 continued pregnancies). The overall rate of gestational trophoblastic neoplasia (GTN) was 46%; the cases which progressed to GTN presented with higher chorionic gonadotropin levels (p=0.026) and higher frequency of termination of pregnancy due to medical complications (p=0.006) when compared to those with spontaneous remission., Conclusions: The main regional difference in CHMCF presentation is related to a higher rate of potentially life-threatening conditions in South America. Sixty percent of the expectantly managed CHMCF delivered a viable infant, and the overall rate of GTN in this study was 46%. Elective termination of pregnancy did not influence the risk for GTN; however the need for termination due to complications and higher hCG levels were associated with development of GTN in CHMCF., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objective: To compare the outcomes of Brazilian patients with molar pregnancy who continue human chorionic gonadotropin (hCG) surveillance with those treated with chemotherapy when hCG was still positive, but falling at 6months after uterine evacuation., Methods: Retrospective chart review of 12,526 patients with hydatidiform mole treated at one of nine Brazilian reference centers from January 1990 to May 2016., Results: At 6months from uterine evacuation, 96 (0.8%) patients had hCG levels raised but falling. In 15/96 (15.6%) patients, chemotherapy was initiated immediately per FIGO 2000 criteria, while 81/96 (84.4%) patients were managed expectantly. Among the latter, 65/81 (80.2%) achieved spontaneous remission and 16 (19.8%) developed postmolar gestational trophoblastic neoplasia (GTN). Patients who received chemotherapy following expectant management required more time for remission (11 versus 8months; p=0.001), had a greater interval between uterine evacuation and initiating chemotherapy (8 versus 6months; p<0.001), and presented with a median WHO/FIGO risk score higher than women treated according to FIGO 2000 criteria (4 versus 2, p=0.04), but there were no significant differences in the need for multiagent treatment regimens (1/15 versus 3/16 patients, p=0.60). None of the women relapsed, and no deaths occurred in either group., Conclusion: In order to avoid unnecessary exposure of women to chemotherapy, we no longer follow the FIGO 2000 recommendation to treat all patients with molar pregnancy and hCG raised but falling at 6months after evacuation. Instead, we pursue close hormonal and radiological surveillance as the best strategy for these patients., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Objectives: To compare complete hydatidiform mole (CHM) clinical presentation and risk factors associated with GTN development between North American and South American adolescents., Methods: This non-concurrent cohort study was undertaken including adolescents with CHM referred to centers in North America (New England Trophoblastic Disease Center, Harvard University, USA), and South America (Botucatu Trophoblastic Disease Center-São Paulo State University, Brazil; Trophoblastic Unit of Central University of Venezuela and Maternidad Concepcion Palacios of Caracas, Venezuela) between 1990 and 2012. Data were obtained from medical records and pathology reports. Study participants were allocated into 2 groups: North America (NA) and South America (SA)., Results: In NA and SA, 13.1% and 30.9% of patients with hydatidiform mole were adolescents, respectively. Of these, 77.6% in NA and 86.1% in SA had pathologic diagnosis of CHM (p=0.121). Vaginal bleeding (SA=69% vs NA=51%; p=0.020), anemia (SA=48% vs NA=18%; p<0.001), and elevated serum hCG (SA=232,860mIU/mL vs NA=136,412mIU/mL; p=0.039) were more frequent in SA than in NA. Median gestational age at diagnosis (SA=12weeks, NA=11weeks; p=0.030) differed whereas GTN development rate (SA=20%, NA=27%; p=0.282) showed no significant difference between groups. Compared to NA, medical complications and clinical factors associated with post-molar GTN were more frequent among SA adolescents., Conclusions: Medical complications and clinical factors associated with GTN development were more frequent in SA than in NA adolescents with CHM, suggesting that, in South America, awareness about the importance of diagnosing molar pregnancy early and considering CHM in the differential diagnosis in adolescents suspected to be pregnant should be raised., (Copyright © 2016 Elsevier Inc. All rights reserved.)

Objective: To evaluate the risk of gestational trophoblastic neoplasia (GTN) after spontaneous human chorionic gonadotropin normalization in postmolar follow-up., Methods: Retrospective chart review of 2284 consecutive cases of hydatidiform mole with spontaneous normalization of hCG following uterine evacuation treated at one of five Brazilian reference centers from January 2002 to June 2013., Results: After hCG normalization, GTN occurred in 10/2284 patients (0.4%; 95% CI 0.2%-0.8%). GTN developed in 9/1424 patients (0.6%; 95% CI 0.3%-1.2%) after a complete hydatidiform mole, in 1/849 patients (0.1%; 95% CI<0.01%-0.7%) after a partial hydatidiform mole, and in 0/13 patients (0%; 95% CI 0%-27%) after a twin molar pregnancy. The median time to GTN diagnosis after hCG normalization was 18months, and no diagnoses were made before six months of postmolar surveillance. Patients who required more than 56days to achieve a normal hCG value had a ten-fold increased risk of developing GTN after hCG normalization (9/1074; 0.8%; 95% CI 0.4%-1.6%) compared to those who reached a normal hCG level in fewer than 56days (1/1210;0.08%; 95% CI<0.01%-0.5%; p=0.008). All patients presented with symptoms at the time of GTN diagnosis., Conclusion: GTN after spontaneous hCG normalization following molar pregnancy is exceedingly rare, and the few patients who do develop GTN after achieving a normal hCG value are likely to be diagnosed after completing the commonly recommended six months of postmolar surveillance. Current recommendations for surveillance after hCG normalization should be revisited., (Copyright © 2015 Elsevier Inc. All rights reserved.)

Objective: To compare the clinical presentation and incidence of postmolar gestational trophoblastic neoplasia (GTN) among recent (1994-2013) and historical (1988-1993) cases of complete hydatidiform mole (CHM)., Methods: This study included two non-concurrent cohorts (1988-1993 versus 1994-2013) of patients from the New England Trophoblastic Disease Center (NETDC). Clinical and pathologic reports of patients diagnosed with CHM between 1994 and 2013 were reviewed. Gestational age at evacuation, features of clinical presentation, human chorionic gonadotropin (hCG) levels, and the rate of progression to GTN were compared., Results: In the current cohort (1994 to 2013) the median gestational age at diagnosis continued to decline compared to our prior cohort (1988-1993) (9weeks versus 12weeks). Patients from the current cohort were significantly more likely to be diagnosed prior to the 11th week of gestation (56 versus 41%, p=0.04). Patients in the current cohort were also significantly less likely to present with vaginal bleeding (46 versus 84%, p<0.001). Earlier diagnosis of complete mole did not result in a decrease in the rate of postmolar GTN. The frequencies of postmolar GTN in the current (1994-2013) and prior (1988-1993) cohorts were 19 and 23%, respectively. In the current cohort, even diagnosis prior to ten weeks gestation did not decrease the risk of developing GTN., Conclusions: This study indicates that complete mole continues to be diagnosed progressively earlier resulting in a further decrease in some classical presenting symptoms. However, despite earlier detection, the risk of development of postmolar GTN has not been affected., (Copyright © 2015 Elsevier Inc. All rights reserved.)