You may have heard that the odds of conceiving a boy or a girl is about This method details when and how to have sexual intercourse in order to conceive either a boy or girl. Related: How to increase your chances of getting pregnant. The Shettles method has been around since the s. It was developed by Landrum B. Shettles, a physician living in the United States.
Sex selection: Getting the baby you want
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Choosing children's sex is an exercise in sexism
Skip navigation. In the s in the United States Landrum B. Shettles developed the Shettles method, which is a procedure for couples to use prior to and during an intercourse to increase their chances of conceiving a fetus of their desired sex. Shettles, a physician, who specialized in obstetrics and gynecology, found a difference in the size and shape of male sperm cells that he correlated with the different sex chromosomes they carry. The Shettles method is based on the idea that male-producing sperm prefer alkaline conditions, whereas female-producing sperm prefer acidic conditions. The method provides couples with a procedure intended to enhance the favored environment for the sperm that will supposedly produce the desired sex, including female douches to be used before intercourse and how to time sexual intercourse within the female menstrual cycle. During the mid-twentieth century, Shettles studied the physiology of human reproduction.
Sex selection
CNN Many couples trying to conceive a child have at least some inkling of whether they want a girl or a boy. These preferences have made some resort to less-than-surefire methods, from taking vitamins to timing when they have sex in order to influence gender. Should parents be allowed to choose the sex of their baby? Chrissy Teigen and her husband John Legend announced they chose the gender of their soon-to-be-born daughter. Story highlights There is currently no evidence that it is unsafe to select a baby's gender during the IVF process A number of countries, including the United Kingdom and Canada, have placed bans on sex selection for "social uses".
The short answer is no — there's not much the average couple can do to affect a baby's sex. While old wives' tales suggest that a woman's diet or sexual position during conception can affect a baby's sex, these theories remain unproved. Likewise, researchers have found that timing sex in relation to ovulation — such as having sex days before ovulation to conceive a boy or closer to ovulation to conceive a girl — doesn't work. Rarely, couples face the agonizing problem of knowing they could pass a genetic trait to a child of a specific sex — usually a boy. Under those special circumstances couples might use high-tech interventions to influence the chance of conceiving a girl.
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