But scientists know from in vitro fertilisation research that higher levels of glucose encourage the growth and development of male embryos while inhibiting female embryos.

• 但是，经由试管受精研究，科学家们知道，较高的葡萄糖水平会刺激男性胚胎的生产，而且会对女性胚胎的形成产生抑制作用。