1、Preimplantation genetic testing is a procedure used to screen embryos for genetic disorders before they are implanted in the uterus.

胚胎植入前基因测试是一种在将胚胎植入子宫之前筛查胚胎遗传疾病的程序。

2、In vitro fertilization (IVF) involves the retrieval of eggs and the fertilization of the eggs with sperm in a laboratory, followed by preimplantation embryo transfer.

体外受精（IVF）涉及在实验室内取出卵子，然后用精子使卵子受精，接着进行胚胎植入前移植。