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(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 - Biology

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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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Solution (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 Concept: Pregnancy and Embryonic Development.
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