Christmas Time Is Mating Season


Well, when the ladies are wearing Christmas outfits like this it’s very understandable.

‘Tis the season for making whoopee.

The Christmas-New Year’s period produces a year-high spike in sexual activity and conceptions in the United States, according to biorhythm researchers and makers of sex-related products.

They attribute the increase to holiday leisure and New Year’s resolutions to have children. New Year’s irresolution fueled by alcohol and partying is another contributing factor.

“Right before New Year’s Eve is our highest sales peak,” said David Johnson, group product manager for Trojan brand condoms, the leading U.S. seller.

As expected, the holiday urge surge also expresses itself as a peak in U.S. births in September, according to David Lam of the University of Michigan’s Population Studies Center in Ann Arbor.

Holiday intimacies aren’t just an American rite, according to Gabriele Doblhammer of the Max Planck Institute for Demographic Research in Rostock, Germany. Heavy Christmas-New Year’s sex “is characteristic of all Christian cultures in which it has been evaluated,” she and co-researcher Joseph Lee Rogers found.

A quartet of British public health researchers went so far as to liken the Christmas-New Year’s period to a “festival on fertility” in a 1999 article in the Journal of the Royal Society of Medicine.

Such festivals, they wrote, are “associated with increased opportunities for socializing and a generally more hedonistic approach to life.”

Recognizing the risks entailed, the British Health Education Authority once ran a condom ad before New Year’s with the tag line: “Just in case old acquaintances aren’t quite forgot.”

What about the notion that spring is the season of love?

Among partners chronically pressed for time, intimacy flourishes in the rare leisure of three-day weekends, analysts said.

Accordingly, the long July Fourth, Memorial Day and Labor Day weekends also produce spikes in condom sales, Trojan’s Johnson said.

So does the run-up to Valentine’s Day, he added.

“And before Mother’s Day, there’s a small peak.”

The centrality of holidays to the timing of conceptions in the United States is relatively new, Till Roenneberg, of the Institute for Medical Psychology at the University of Munich, said in an interview.

Until the 1930s, fluctuations in temperature, sunlight and humidity yielded much larger seasonal fluctuations in U.S. conception, he said. They still do in less developed countries.

In industrialized countries, Roenneberg continued, people increasingly are shielded from sunlight by indoor work and from temperature and humidity variations by heating and air conditioning.

Once the natural fluctuations, which influence human sperm and egg quality, are muted, lesser factors such as three-day weekends become visible, he said.

Roenneberg’s findings derive from studies of birth date trends in 166 regions of the globe. The data come from as early as 1669 and total more than 3,000 years of human experience.

Valentine’s Day I get. A big box of chocolates gets the gals going for sure. And heck, even the long weekend summer holidays I can see. Copious amounts of margarita around a pool are guaranteed to get her in the mood. But Mother’s Day? I don’t think so. My guess is most moms want breakfast in bed, a day alone at the spa, and a fancy dinner on that special day. But definitely not sex. That’s what got them in this whole fix in the first place.

Sex is a gift made especially for Father’s Day.  Ahead of a new tie, but definitely behind a nice power drill.



  1. I don’t believe for a minute you would put a power drill first!

  2. Um, hello, how exactly do you suppose we became mothers in the first place?!?

    You’re blogging while drinking again, aren’t you? That was about the dumbest thing I that you have written.

  3. Ouch. Don’t hold back now, why don’t you say what you really mean? I assume I have written other dumb things since this was the dumbest. thing. ever. Which is kind of a downer since there is no point in blogging anymore if I can’t exceed my dumbness factor.

    Okay, I withdraw the whole thing. I had no idea that Mother’s Day was such an aphrodisiac and that all you moms were just dying to get it on on that particular holiday.


    BTW, I was sober. I won’t ask you what put you in such a mood.

  4. […] at the Reluctant Optimist has a post about the week between Christmas and New Years being the peak period of “conception” in all Christian cultures.  I, for one, am […]

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