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Daylight savings time may up IVF miscarriage rates: study


Daylight savings time may up IVF miscarriage rates: study

Washington : In a shocking revelation, a study finds daylight savings time (DST) turning the clock ahead as warmer weather approaches and back as it becomes colder again increases the rate of miscarriage among women undergoing in vitro fertilization (IVF).

According to researchers from Boston Medical Center (BMC) and IVF New England, DST contributes to higher miscarriage rates among women undergoing in vitro fertilization (IVF) who have had a prior pregnancy loss.

The findings, published online in the journal Chronobiology International, shed light on the impact of circadian rhythm changes on reproduction and fertility as DST represents a subtle but widespread disruption to daily circadian rhythms.

“To our knowledge, there are no other studies looking at the effects of daylight savings time and fertility outcomes”, said Constance Liu from Massachusetts General Hospital.

“We knew that we were researching an uncharted field and it was important for us to understand the effect a one-hour change had on patients undergoing IVF,” Liu added.

The team looked at the pregnancy and miscarriage rates among a sample of patients undergoing IVF prior to and during daylight savings time, in both fall and spring.

The patients were then categorised into three groups based on the timing of their embryo transfer during daylight savings time.

They found that miscarriage rates in the 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.

“While our findings on the impact of DST on pregnancy loss among IVF pregnancies is intriguing, they need to be replicated in larger IVF cohorts in different parts of the world to observe DST,” said study’s senior author Wendy Kuohung from Boston University’s school of medicine.

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supriya kashyap

supriya kashyap

Supriya Kashyap Joined Medical Dialogue as Reporter in 2015 . she covers all the medical specialty news in different medical categories. She also covers the Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in medical filed. She is a graduate from Delhi University. She can be contacted at supriya.kashyap@medicaldialogues.in Contact no. 011-43720751
Source: ANI

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