Estrogen also makes the lining of uterus _______________. The lining of the womb is a place that nourishes the _____________. At the same times the lining of the womb is growing an _________.
- grow and thicken
- embryo if a pregnancy occurs
- egg, in one of the ovaries starts to mature
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.