Question

Corpus luteum secretes ____and_____.

• A. progesterone
• B. relaxin

Answer 1

Progesterone:

1. It is secreted by the corpus luteum at the time of pregnancy.
2. It suspends ovulation during pregnancy.
3. It fixes the fetus to the uterine wall.
4. It promotes placenta formation and the development of the fetus in the uterus.
5. It also promotes the development of mammary glands during pregnancy and inhibits contraction of the uterus.

Relaxin:

1. It is also secreted by the corpus luteum at the end of pregnancy.
2. It helps in relaxing the pelvic ligaments and cervix for facilitating childbirth.

Final answer: Corpus luteum secretes progesterone and relaxin.