Mother Talkers

Eating your way to a boy?

Thu Apr 24, 2008 at 06:17:24 AM PDT

There's an column in the Washington Post today that brings up a subject that is intriguing to me.

Fiona Mathews of the University of Exeter and her colleagues studied 740 women who were pregnant for the first time.The more calories they consumed in the year before they got pregnant the greater their chances of ending up with a boy. Fifty-six percent of the women who ate the most calories had boys compared to 45 percent of those who consumed the least, the researchers reported this week in the Proceedings of the Royal Society B: Biological Sciences.

When the researchers examined exactly what the women ate, those who tended to eat cereal for breakfast were the most likely to have a boy. That's right: A big bowl of cereal. Same goes for potassium and salt -- providing support for those old wives tales.

Since I have one daughter and one son, this made me try to think back about my eating habits prior to each of their conceptions.

I think it is possible that I ate more calories after DD and before DS.  I had a toddler to chase around that I didn't have previously.  But, I'm not and have never been a cereal eater.  Do granola bars count?

My son was the first male in my family in 30+ years when he was born.  (The last male was my only male cousin.) So I really had expected a second DD.  The sonogram was a big shock to us and quite useful too as I wasn't planning on even bothering to choose a boy name.

We are now anxiously awaiting the birth of my "niecephew" who is due in early May. I'm going to try to refrain from pestering my sister now about her eating habits prior to pregnancy. But I think I will ask her about it after the baby is born.

Do you think that your experiences fit in with this study?  If you were to have another child, would this study have any effect on your diet?

Note: I am in no way advocating boys over girls or suggesting in any way the girls are less valuable. Situations in some parts of the world regarding the status of baby girls distresses me greatly.  Personally, I did not care if I had a girl or boy.  However, I know a family that had 5 boys before having the girl that they really wanted for their family and I find the whole topic to be interesting.

Tags: girls, boys, nutrition, study, Washington Post (all tags)

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  • Hmmmm.... (0 / 0)

    Interesting. I weighed 105 pounds wringing wet before my daughter...but I ate constantly (I know...I'm just one of those people. Sorry.). But I was breastfeeding a 15 month old and chasing her around (and she never stopped moving) when I got pregnant with my son. I'm willing to bet I was eating a whole hell of a lot of calories. But they were being sucked out of me pretty fast....I wonder if that makes a difference?

    • It is interesting. (0 / 0)

      I had three girls, followed by three boys, then another girl.

      I weighed 103 lbs before becoming pregnant the first time with twin girls.  Next pregnancy, I recall weighing 114 lbs at five months pregnant.  One thing I can say is that with the three boys, I had recently stopped breastfeeding before becoming pregnant with them, so my caloric intake might have been higher.  Doesn't explain the last girl, however.  

  • Chubster here (0 / 0)

    I have one son, and unfortunately I was overweight when I got pregnant with him, and was sooo hungry while I was pregnant.  I didn't crave anything in particular, but I would be hit by these hunger pains that felt like if I didn't put something in my mouth within two minutes, I was going to fall over.

    But my SIL is slim and she has two boys.  I read that the study also noted that women who skip breakfast were more likely to have girls, and my SIL is pretty healthy, so I doubt she ever did that, but I don't know.  I think she likes cereal, but I don't and rarely eat it.  If anything, I'm likely to eat it for lunch.  This is interesting, but still seems to me like they're grasping at connections.

  • Wow! (0 / 0)

    Wow, this is really true for me.  

    I was very thin when I got pregnant with my daughter, and er, not-so-thin when I got pregnant with my son.

  • Yes, very interesting (0 / 0)

    I was the first girl on my dad's side in over 90 years.

    DH and I are trying to conceive. I think I would feel relived if my first was a boy but I would not try to manipulate my diet or anything else to make that happen (although I happen to be a cereal eater).

    My concern would be that if I did go through a lot of trouble to have one sex over the other and it didn't work out I might be disappointed. I would prefer to just let the chips fall and be happy (thrilled) either way.

  • I had a boy and (0 / 0)

    a girl and don't recall any difference in my eating habits a year prior to getting pregnant either time.  I am not a big cereal eater to begin with, so I don't quite fit in with this group.  Now, my husband, on the other hand....he eats several bowls of cereal a day.   Perhaps that had an effect LOL.

    His Mom had 6 boys and one girl - hmmm....wonder what her habits were?

    His only sister had 3 boys.

    There are a whole lot of sons in the family clan and very few daughters.  Everyone (except me) was shocked when I had a daughter....I felt she was a daughter when I realized I was pregnant with her....She was my dh's fourth child and only daughter.

  • bunk (0 / 0)

    I realize you can't disprove a scientific study with just one example, but DH and I laughed about this article in the newspaper this morning.  We have one girl and I was overweight and ate bran flakes with banana on top almost every morning when I got pregnant with her.   Basically, everything that should have led to a boy.  ha!

    I hate how the media gets ahold of a scientific study and makes wild claims about results, when the authors probably hedged in their article and acknowledged the limitations of the study...  

  • LOL (0 / 0)

    You have got to be kidding me!  I had 2 sons and then a daughter.  I'm positive that I weighed more when she was conceived than when my 2 sons were.

    I was eating eggs for breakfast when DS#2 was conceived and cereal with DD.  In my teens and early 20s I had a tendency to faint if I skipped breakfast so I will always eat something in the morning because it is a habit I developed in self-defense.

    I see plenty of chunky moms with girls and very thin ones with sons when I drop my son off at nursery school.  

  • Overall body weight? (0 / 0)

    I can't see that they factored in the weight of the mother- perhaps just her calorie intake and food choices.

  • body weight (0 / 0)

    true, the article I read said "has a hearty appetite" and I translated that to "overweight" for myself.  I'm overweight because I have a hearty appetite!  But that wouldn't be true for everyone, I suppose.

  • I am trying to understand... (0 / 0)

    how some granola would influence a sperm.  You know, perhaps boy sperm like Quakers or something.  Then I realized that my science brain has taken over every aspect of my life.  ;)

    • thank you (0 / 0)

      I was beginning to think I was the only one who still believed my old genetics lessons. The science hasn't changed, has it?

      • No... (0 / 0)

        But there's a lot more credit given to the female body. It isn't just a passive vessel waiting to be impregnated by the first sperm that comes along. We've got some amazing defenses....and a fair amount of those defenses can select sex (not intentionally). Boy sperm are less robust, so defenses like a higher pH or a closed cervix make it less likely that they will get through.

        Not that I'm a reproductive expert...someone else can correct my facts if I'm wrong...but I think that's the general idea.

  • so how do they explain (0 / 0)

    having boy/girl twins?

  • EOO (0 / 0)

    equal opportunity oats

    • mine must have been EOO (0 / 0)

      I totally bust the study; I was at my fittest weight - 142 - when I conceived Jess. Why? I had just trained for and run my first half-marathon. But I was eating like a horse, including ... wait for it ... oatmeal for practically every breakfast. Must be EOO.

      • :>) (0 / 0)

        You go girl....running your "first" half marathon pre-Jess, and keeping it up now on MTers with your race threads....good on you!

        • slacking a bit... (0 / 0)

          I didn't do an entry this week. Crazed with deadlines and Jess and I being sick with colds... Thank god it's Friday and a public holiday!!

          • you had me there for a (0 / 0)

            minute since it's still thursday here...ha.

            I'm having weird allergy symptoms right now that are driving me mad.  Itchy eyes and skin which I think are related to the massive pollens in the air, but the reaction was getting severe enough i went to see a friend who is a dermatologist and she said it is pretty uncommon to have a skin reaction to pollen - more likely it's something else....and of course I have no idea what....so now what to do.  Right now my skin is totally calm, but when it gets itchy it's like my nerves are mis-firing and I want to scratch like mad....and then I get these raised welts like an angry animal has attacked my skin....which isn't so far from the truth....I feel like a bit of a crazy animal .

            Anyway, hope it resolves soon....and I hope your cold goes away.  I'm going to bed early with a good book.  :>)

            • really sorry to hear about that (0 / 0)

              Uncommon doesn't equal "doesn't happen." We all suffered quite badly from excema every spring due to pollen in the air. At first blush, I don't see how an antihistamine or an antihistamine cream can hurt, just to give you some relief! I know that caged animal feel quite well and empathise deeply, my friend!

              • Thanks Rachel! (0 / 0)

                Today my skin feels calm thankfully.  I'm a little on egg shells about it, as when it starts itching it feels miserable and seems to self-perpetuate.  I'm interested that you had a skin reaction to air born pollens....hmmmm.  That is kind of comforting actually.

                Best not to think about it while it's calm though and enjoy the relative peace in my skin....so today is gorgeous here; quite warm .... I'm going to watch a track meet where my daughter is working with her Sports Med class in case of injuries or other needs of the athletes.

                It will be like old times since our son used to compete in this particular meet every year while he was in high school....sigh.

                Hope you have a great weekend.

                K

  • no, no, no (0 / 0)

    I downloaded the study and skimmed it.  You can't draw any conclusions.  They left out a lot of the critical analysis; I can't even see whether their numbers were even valid most of the time.

    One simple example: they looked at 133 individual foods to see if any had a "significant" correlation to gender.  They define significant as 100 to 1 odds against this being a chance correlation.  In other words, one false positive out of every 100 foods is expected; a higher rate of positives than this would suggest that something might be having a real effect.  They found one positive, breakfast cereal, out of 133 foods.  A true positive or a false positive?  Who knows?  But there's absolutely no reason to think it's real.

    If they'd found say 5 foods, maybe that would be interesting.  Especially if they could tie them together into some sort of category.  But give me a break, who publishes their expected error rate as a breakthrough?

  • What about alcohol? (0 / 0)

    Cause I was drinking wine when we made our daughter and I'm pretty sure it was tequila for the first boy and beer for the second boy.  

    I have a friend who has 5 daughters and one son and I'm sure that her appetite didn't change much for the son - he's in the middle...poor thing.  

    "As God is my witness, I thought turkeys could fly"

    by lonestar canuck on Thu Apr 24, 2008 at 11:07:35 AM PDT

  • Since posting (0 / 0)

    I can't get the idea out of my head that someone will now market a breakfast cereal... umm- it give a whole new meaning to "Lucky Charms" in my mind!  What shapes would those marshmallows be?

  • Another way to blame women (0 / 0)

    Men are responsible for the sex of the fetus period.  The egg(s) is released long before it is fertlized.  Now pseudoscience is trying to pin it on us again for failing to produce the correct sex.  This study is flawed and ridiculous.  We have people dying of cancer and AIDS, why waste money on garbage like this.  

    • LOL (0 / 0)

      When we were literally in the act of conceiving #3 (sorry if this is tmi) I told my husband to give me a girl this time.  Luckily for him, he did ;-)

    • Nobody's blaming anyone (0 / 0)

      No, we already know there are maternal effects on sperm competition that can affect sex ratio.  Pregnancy establishment and miscarriage rate is another point where a sex specific difference is plausible.  I know there are animal species that differentially abort male or female fetuses depending on food availability; I don't know about humans.  

      I was critical of their statistical analysis, but I don't think this is pseudoscience nor do I think it is trying to pin anything on anyone.  Bad media reporting, maybe, but that's to be expected.

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