Question

Refer to the given graph representing interplay of different hormones (A-D) during menstrual cycle in women and answer the questions that follow.
Which hormone is most effective in producing uterine changes during menstrual cycle?

• A. A
• B. B
• C. C
• D. D

Answer 1

The correct option is D D

D represents hormone progesterone. Its function is to promote secretory changes in the uterine endometrium during the latter half of the monthly female sexual cycle, thus preparing the uterus for implantation of the fertilised ovum. In addition to this effect on the endometrium, progesterone decreases the frequency and intensity of uterine contractions, thereby helping to prevent expulsion of the implanted ovum.