While it was long-believed that our chromosomes determined an embryo’s gender from the minute sperm impregnated the egg. However, new research may contest these previous findings. Researchers from ...

Iron deficiency in early pregnancy may be associated with lower language and motor development scores in children at two ...

Low iron levels can flip the genetic switch on a mouse's sex during development, causing XY embryos to grow female features. But it's not clear whether the effect applies to humans. When you purchase ...