NEETZoologyHuman Reproduction
What is the role of hCG, hPL, and relaxin in pregnancy?
Options
- AThey are produced in women only during pregnancy
- BThey help in the transport of substances to and from the embryo
- CThey support fetal growth and metabolic changes in the mother
- DThey maintain pregnancy and increase the levels of other hormones
Correct answer
A. They are produced in women only during pregnancy
Step-by-step solution
Placenta also acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, progestogens, etc. In the later phase of pregnancy, a hormone called relaxin is also secreted by the ovary. Let us remember that hCG, hPL and relaxin are produced in women only during pregnancy. In addition, during pregnancy the levels of other hormones like estrogens, progestogens, cortisol, prolactin, thyroxine, etc., are increased severalfolds in the maternal