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Question
(a) Arrange the following hormones in sequence of their secretion in a pregnant woman.
(b) Mention their source and the function they perform :
hcG, LH, FSH, Relaxin
Solution
(a) The sequence of secretion of the given hormones in a pregnant woman is as follows:
(i) FSH
(ii) LH
(iii) hCG
(iv) Relaxin
(b) source and the function :
| Hormone | Source | Functions |
| FSH | Anterior pituitary lobe | Stimulates the growth of ovarian follicles and maturation of primary oocytes |
| LH | Anterior pituitary lobe | Induces ovulation and maintains corpus luteum |
| hCG | Chorionic cells of placenta | Maintains the corpus luteum and stimulates it to secrete progesterone |
| Relaxin | Ovary | Helps during child birth by relaxing the pelvic muscles as well as muscles of the cervix. |
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