Fully updated and supported by the latest research choose the sex of your baby the natural way provides the key to sex determination hazel chesterman phillips describes how she developed her simple and natural method which has now been used successfully by parents all over the world. Landrum b shettles md phd and david m rorvik how to choose the sex of your baby the method best supported by scientific evidence pat buie choose the sex of your baby naturally j. 6 natural ways to choose your babys sex and their success rates getting pregnant pregnancy planning 4 there are a lot of different theories and approaches to natural gender selection but very little scientific study as theres no solid evidence medical experts warn against taking them too seriously chinese baby gender . Choose the sex of your baby 978 0 7475 3313 9 the crux of this book boils down to the theory that there are girl making sperm xs here for short and boy making sperm ys and that the xs are built for endurance whereas the ys are built for speed. Note citations are based on reference standards however formatting rules can vary widely between applications and fields of interest or study the specific requirements or preferences of your reviewing publisher classroom teacher institution or organization should be applied
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