The relationship between menstrual disorders and blood pressure disorders in pregnancy: a systematic review of observational studies

Introduction: Blood pressure disorders in pregnancy are considered as the main causes of perinatal complications. Considering the importance of this disorder, the present study was performed with aim to investigate the relationship between menstrual disorders and blood pressure disorders in pregnancy. Methods: In this study, a scoping review was conducted in SID, PubMed, Magiran, Iran doc, Science Direct, Scopus and Google scholar search engine with the keywords: pregnancy blood pressure, menstrual disorders, dysmenorrhea, amenorrhea, and hypermenorrhea from the period of 2007 to 2023. After screening the title, abstract and full text of 1473 studies, finally 6 studies were left to announce the results. The quality screening of the studies was done by Strobe evaluation checklist. Results: The results of the present study are taken from 6 studies; which according to the type of variables examined in the studies, they were divided into four categories: the relationship between blood pressure disorders in pregnancy and amenorrhea, hypermenorrhea and blood pressure disorders in pregnancy, dysmenorrhea and blood pressure disorders in pregnancy, and menstrual irregularity and blood pressure disorders in pregnancy. Conclusion: There is a relationship between menstrual disorders and blood pressure in pregnancy. However, considering that there are limited studies in this field, it seems that more and better quality studies are needed to access stronger evidence.