Women undergoing in itro fertilization (IF) are typically gien female hormone supplements to boost the number of mature eggs they produce, allowing more embryos to be created.

• 对于那些体外受精的女性，最惯常的做法就是给她们补充雌激素以提高她们产生成熟卵细胞的数目，这样就可以多产生几个胚胎。