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Aim The Ministry of Health, Labour, and Welfare of Japan proposed a regulation of overtime work as a reform in work style. However, the regulation may deteriorate the quality of medical services due to the reduction in training time. Thus, the study aimed to reveal perceptions in terms of generation gaps in views on self-training and overtime work, among members of the Japan Society of Obstetrics and Gynecology (JSOG). Methods A web-based, self-administered questionnaire survey was conducted among members of the JSOG. In total, 1256 respondents were included in the analysis. Data were collected on age, sex, experience as a medical doctor, location of workplace, work style, the type of main workplace, and number of full-time doctors in the main workplace. The study examined the attitudes of the respondents toward overtime work and self-training. The respondents were categorized based on experience as a medical doctor. Results According to years of experience, 112 (8.9%), 226 (18.0%), 383 (30.5%), 535 (42.6%) doctors have been working for ≤5, 6-10, 11-19, and ≥ 20 years, respectively. Although 54.5% of doctors with ≤5 years of experience expected the regulation on working hours to improve the quality of medical services, those with ≥20 years of experience expressed potential deterioration. After adjusting for covariates, more years of experience were significantly related with the expectation of deterioration in the quality of medical services. Conclusions The study revealed a generation gap in the views about self-training and overtime work among obstetricians and gynecologists in Japan.

Aim This study aimed to evaluate the clinical features and pregnancy outcomes of placental mesenchymal dysplasia (PMD) in Japan. Methods We requested detailed clinical information and placental tissue of PMD cases in 2000-2018 from Japanese facilities with departments of obstetrics and gynecology and analyzed the pregnancy course and neonatal outcomes. Results We collected 49 cases of PMD. Of 18 patients with measured maternal serum alpha-fetoprotein (MSAFP) levels, 15 (83.3%) had elevated levels. Maternal serum human chorionic gonadotropin (MShCG) levels were transiently elevated in five (17.8%) of 28 patients. Forty-seven patients continued their pregnancies. All pregnancies were singleton and 40 (85.1%) were associated with adverse events including fetal growth restriction (FGR), threatened premature delivery, fetal demise, and hypertensive disorder of pregnancy in 34 (72.3%), 14 (29.8%), eight (17.0%), and six (12.8%) patients, respectively. Of 47 infants, there were eight stillbirths. There were 40 (85.1%) female infants, and eight (17.0%) had Beckwith-Wiedemann syndrome. Of 39 live births, 23 (59.0%) were associated with premature induction of labor or cesarean section for obstetric indications related to FGR. Eighteen (46.2%) neonates had complications. PMD-affected placentas were pathologically heterogeneous in both grossly PMD-affected and non-affected areas. Conclusions Our study included the largest number of PMD cases with detailed clinical information. PMD is a high-risk condition for both the mother and the child. Elevated MSAFP levels with normal MShCG levels indicate PMD. Conventional perinatal management of FGR in Japan might be effective in reducing the fetal mortality rate.

A 33-year-old primiparous woman with progressive idiopathic juvenile osteoporosis (IJO) who had had multiple vertebral compressions and bilateral femoral neck fractures since the age of 15 years presented for perinatal management at 11 weeks of gestation. Her vertebral bone mass was 0.634 g/cm2 before pregnancy. The target calcium intake was set at 800 mg/day. Cephalopelvic disproportion led to the patient having an elective cesarean section at 39 weeks 3 days of gestation and she delivered a female infant weighing 2785 g. After the delivery, her vertebral bone mass had increased to 0.700 g/cm2. At 34 years of age, she conceived her second child. With similar perinatal management, she delivered a female infant weighing 2580 g at 38 weeks of gestation by elective cesarean section. Her vertebral bone mass had increased again after the second pregnancy. Few cases of pregnancy complicated by progressive IJO have been reported. However, an uneventful pregnancy course can be expected with proper management, and pregnancy can be a good opportunity to increase bone mass., Highlights • We managed two pregnancies with progressive idiopathic juvenile osteoporosis. • These patients could drive increases in bone volume during pregnancy. • Proper nutritional management can provide a favorable perinatal prognosis.

Congenital diaphragmatic hernia (CDH), a herniation of the abdominal contents through a defect or hypoplasia of the diaphragm, is a relatively common, severe congenital anomaly. Here we present the first case of two siblings with possibly isolated sac-type CDH and with a suspected genetic etiology. Although sibling recurrence of isolated CDH is rare, the incidence is higher than in the general population. Additionally, the second child had a more severe respiratory disorder than the first child. It is to be noted that siblings of children having isolated CDH are at risk for CDH, and prenatal evaluation should be considered individually.