By Zaria GorvettFeatures correspondent@ZariaGorvett
Getty ImagesThe chances of giving birth to a boy or a girl are not always 50:50, with mysterious factors determining the sex of your unborn child.
Throughout history, couples have gone to extraordinary lengths to choose the sex of their child. In the middle ages, women believed they could swing the odds of having a son by asking their husbands to turn their faces eastwards during sex. Read More...
Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this show to My List. But first, we need you to sign in to PBS using one of the services below. By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use. Read More...