Why do more people get pregnant around the holidays than any other time?

Why do more people get pregnant while on vacation than at any other time of year? (Photo: Getty Images)

The holiday season is the time to see festive lights, open presents, gather with friends and family, and make babies.

According to a 2020 study published in the journal human reproductionBased on data that U.S. birthdays peak in September, Boston University researchers explored why late fall and early winter may be associated with higher chances of conception. They noticed that fertility (a term referring to the chance of getting pregnant within one menstrual cycle) drops in late spring and increases in late fall.

The researchers also found that people living in southern states saw a 45% spike in rapid conceptions in late November.

“In Florida, we’ve noticed higher birth rates in July and August. There’s a very interesting phenomenon known as the ‘Christmas effect,'” says Dr. told Yahoo Life. .

she, Journal of Obstetrics, Gynecology and Neonatal Nursing We analyzed international surveys conducted between 1938 and 2001 to find out why births peaked in September in the United States, Canada, Mexico, and Europe. The authors suggest that biometeorological (the science of atmospheric processes, including seasons and weather, and living organisms such as humans) and psychosocial (a combination of psychological and social) factors may play a role in this conceptual trend. I theorized that I could see it.

“Colder weather, when people are less prone to winter adventures, may allow more time to make babies at home. Cooler temperatures may also encourage couples to cuddle more often.” , can stimulate a desire for intimacy or nostalgia, or a desire for connection,” she says.

Balestrieri adds that being surrounded by relatives for the last six weeks of the year can make you want to contribute to your family tree. “Some feel the tug and the pressure of her family to start her own family,” she says.

Other couples may be dealing with feelings of depression during this time. increase.

There may also be an evolutionary reason why many conceptions occur between Turkey Day and New Year’s Day. “Evolutionists hypothesize that mammals with long gestation periods unconsciously tend to favor gestation in the months with shorter days and cooler weather, and to set birth dates when weather is warmer and resources more readily available. “This may lead to a conscious preference to conceive when it’s easier to bundle up and have a complete pregnancy by the summer.”

But, as Greves points out, it could simply be the fact that many people are taking vacations towards the end of the year and may be less stressed. “Is it because I’m more relaxed when I’m off work on vacation?” she says. “There are many theories, but no good causal studies as to why this is a phenomenon.”

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