IVF is the abbreviation of in vitro fertilization-embryo transfer, commonly known as test tube baby technology.
This is not an examination, but a medical assisted reproductive technology.
The above answers come from the IVF and genetic expert "Qinxi Health", Baidu let us~
(There are a lot of questions on Baidu about "embryo size depends on gender", we will unify Answer: There has never been a way to determine the gender of the fetus from the size of the embryo. These are all rumors fabricated by some people with ulterior motives on the Internet to attract attention. Please don’t be fooled.)