Your Baby's Sex: Now You Can Choose

able acid alkaline already animal baby become believe Bill birth body born boys called carry cervical chances chapter child choose chromosomes cloning color comes consider contain count course cycle cytoplasm desired determine difference discovery disease doctor douche embryos environment example experiments fact factor father favor female female offspring fertilized finally four future genetic girls glucose half human husband implanted individual intercourse least less look male offspring male-producing means Medical microscope months mother Nature nucleus orgasm ovary ovulation parents percent possible pregnancy present probably procedures produce result scientific scientists secretions seemed separate sex selection sexual Shettles simply society sperm cells studies success suggested techniques tell temperature Tes-Tape theory thing tion tube turned University woman womb women