Q&A: Gender Selection Theories?

We've heard tons of different ideas about different ways to 'naturally' select your baby's gender. What kind of theories have you heard?
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Updated March 2, 2017
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First, some of the suggestions we have been given over the years…

For a boy — have rear-entry  sex standing up, when you’re both stressed out, at night, on an odd day of the month, when there’s a quarter moon, with mom’s head pointing north, and make sure dad’s testicles are warm. Lay down afterwards… and make sure it’s to the left of dad!

For a girl — have missionary sex with mom on top, when you’re both relaxed, in the afternoon, on an even day of the month, when there’s a full moon, and make sure dad’s testicles are cool.

For a boy — eat red meat, salty stuff, calcium and magnesium-rich food. (Dads, drink soda — especially cola.)

For a girl — eat chocolate, sweets, potassium, and (both mom and dad) lots of  fish and veggies.

For a boy — dad should suggest sex, climax first and be the dominant partner in the relationship.

For a girl — mom should suggest sex, climax first and be the dominant partner in the relationship.

Some of the theories our users have heard…

“The rule is this: On top = a girl, missionary = a boy.” -elevendiamonds

“Doggy style makes boys.” -Bonzer

“I’ve heard that if your DH is ‘pretty’ then you will have a girl first, and if he is handsome (more rugged or not as pretty) then you will have a boy first. We are having a boy…” -Bridey1

“I heard it’s the ‘type’ of sex you had when conceiving. Wild = boy, tame = girl.” -littlecindy

“I have heard about for a boy, doing it day of or after ovulation. My FIL always tells us that my DH was his ‘best swimmer.’ We are going to try it actually! We have a DD, so now we are on for DS.” -Mandy8

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“Someone asked me the other day if I had a ‘feeling’ one way or the other on the gender. I said I was leaning towards boy. She asked, ‘Oh, did you eat a lot of oranges before you conceived?’” -Dobie_Mama

“We went for a sports theme: My husband wore sports equipment (shoulder pads and a football helmet) and I wore my old cheerleading uniform… Not! Role playing is one thing, believing that it will determine the sex of your child is another.” -Doodlebugz

“Our mom group leader has a theory — it was true for her five kids, our DD and a friend. She said that if you have sex before you ovulate it will be a girl, and if you have sex when or after you ovulate it will be a boy. She said that girl sperm live longer than boy sperm but boy sperm swim faster than the girl sperm.” -mommycj

Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.

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