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How Your Conception Date Can Influence Gender

You might be surprised to find out that there are a number of different factors that can go into determining whether you get pregnant with a boy or a girl, including your conception date. This may, at first glance, seem like a myth, but the fact of the matter is that there can be a correlation between when you have sex in relation to ovulation and the gender of your baby.

As you probably know, and as Henry VIII’s wives would have liked him to know, your baby’s gender is determined by the sperm that fertilizes the egg. Some sperm make baby boys. Other sperm make baby girls.

The sperm that make baby boys tend to move more quickly than those that make girls. These boy-making sperm tend to reach the egg first. The problem with these sperm is that they tend to die off more quickly than the sperm that make baby girls.

The sperm that make baby girls, on the other hand, move slower but tend to live longer. This means that, if it takes a while for the sperm to reach the egg, you’re more likely to have one of these be the fertilizing sperm.

So, to try to influence your baby’s gender, you can pick your conception date. If you’re hoping to have a girl, you can time your sex several days before you ovulate. If you want to have a boy, then you should have sex closer to the time that you ovulate, or even during the time that you are ovulating.

The key thing here to remember is that your conception date can’t fully determine what your baby’s gender is going to be. There is a slight chance that timing your attempts at conception could help to influence your baby’s gender, but the fact of the matter is that sometimes things just work differently than what you’re trying to do.

Last modified: February 10, 2013

The information provided here should not be considered medical advice. It is based on the average experience of women trying to conceive and may not be what you may be experiencing. It's not meant to be a replacement for any advice you may receive from your doctor. If you have any concerns about your cycle or our ability to get pregnant, we advise you to contact your doctor.