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Research Links Daylight Savings to Higher Miscarriage Rates Among IVF Patients

Article From: News Medical LifeSciences http://www.news-medical.net/

According to new research out of Boston Medical Center (BMC) and IVF New England Daylight savings time (DST) contributes to higher miscarriage rates among women undergoing in vitro fertilization (IVF) who had had a prior pregnancy loss. The study may shed light on the impact of circadian rhythm changes on reproduction and fertility.

Researchers looked at the pregnancy and miscarriage rates among a sample of patients undergoing IVF prior to and during daylight savings time, in both the fall and spring. The study found that miscarriage rates in IVF patients who had had a prior miscarriage were significantly higher among women whose embryo transfers occurred 21 days after spring DST began, compared to patients whose embryo transfers occurred before or well outside the spring DST window. Successful pregnancy rates did not differ between seasons or among the three groups or among the three groups during the change to standard time in the fall.

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