Regardless of sex position, sperm are able to make their way to the fallopian tubes (where eggs hang out during ovulation) within 15 minutes of ejaculation. Because sperm are able to travel so quickly on their own, it’s unlikely that getting them just a few millimeters closer to an egg would do much good: "Sperm are propelled with such force and in such high numbers that this simply doesn't pan out," says OB-GYN and Modern Fertility medical advisor Dr. According to this myth, angling hips upward while lying down right after sex could also potentially make conception more likely by helping more sperm stay in the reproductive tract.ĭuring ejaculation, sperm travels pretty fast - by some estimates, 200-inches-per-second fast.Because some sex positions facilitate deeper penetration than others, the thinking is that certain positions could make conception more likely by getting sperm closer to that egg.In this theory, the function of the female orgasm is to exhaust the person enough to rest in a prone position.Īt its core, the myth that positions during and after sex can improve your chances of conception is based on the scientifically correct fact that for conception to happen, sperm needs to reach and fertilize an egg. The poleaxe hypothesis suggests it’s necessary for the person with ovaries to lie down on their back after sex in order for ejaculated sperm to travel up the vaginal canal to the egg. This myth can be traced back to one of the many theories (some more dated than others) that scientists have historically suggested to hypothesize possible biological mechanisms involved in conception: the poleaxe hypothesis. Updated February 2017.Myth 1: Sex position, and lying down after sex, affects your chances of conception And what girl doesn’t love to spoon, right!? This position, like the others mentioned above, allows for shallow penetration only, therefore upping the chances of a female sperm actually reaching and fertilizing the egg first.īecause of the shallow penetration, spooning may also fall within the Shettles Method since it can keep those speedy male sperm away from the cervix. More: Yes, Your Partner Can Go Down on You During Your Period - and It Can Help with Cramps Experiment with spooningĪnother common sex position believed to help couples conceive a female is spooning. Shettles also endorsed “shallower” sex positions that give female sperm a fighting chance for couples hoping to conceive a girl. Shettles explained that male sperm may be faster in his book, How to Choose the Sex of Your Baby.ĭr. The Shettles Method has been keeping parents-to-be busy between the sheets since the 1960s, when Dr. Rybchin’s observations, which support both missionary and girl-on-top positions, stem from one of the original theories of natural conception, called the Shettles Method. “Sperm with the X-chromosome (female sperm) travel slower and can survive up to five days.”īecause penetration isn’t typically as deep in this position, the sperm have a longer way to go, giving the females a clear advantage. “Some believe that the best position to conceive a girl is the missionary position,” notes Stacy Rybchin, founder of My Secret Luxury. Turns out, good old-fashioned sex could be your golden ticket to getting pregnant with a girl. This will make it much more difficult for the male sperm to reach your egg, since they have a shorter lifespan than female sperm do. Instead of going deep, your partner should ejaculate as close to the opening of your vagina as possible. Ava Cadell says that to have a girl, the woman should be on top so that she can control the depth of penetration. Check out our favorite sex positions - as well as some dietary and timing tips - rumored to boost your probability of giving birth to a baby girl Try girl on topĪgain, while no single position can guarantee your baby’s gender 100 percent, spokesperson for The Experience Channel and renowned love and sex therapist Dr. More: 13 Aphrodisiac Foods to Eat for Hotter SexĪnd as it turns out, a lot of these legends say that how you make love can help you conceive the sex you want. While there isn’t really any solid scientific research (yet) that has given us any foolproof pre-conception gender selection methods, there are plenty of old wives’ tales, stories from parents who claim their approach worked, and even a Chinese conception chart that pins potential gender on a mother’s age and month of conception.
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