The event happens in the menstrual cycle when the level of progesterone declines is?
Correct answer: B. Beginning of menses
- A. Ovulation
- B. Beginning of menses
- C. Corpus luteum formation
- D. Maturation of ovarian follicle
Explanation
Progesterone is the primary hormone in the maintenance of the endometrium lining. If the egg is not fertilised, progesterone level declines, the uterine wall starts breaking down and the menses start.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
Practise Reproduction
1,220 free Reproduction MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Reproduction questions
When puberty takes place in girls, which one of the following does not occur?
This carries the egg to the uterus:
What is the name of the tube that carries sperm and urine out of the human body?
What is the name of the tube that carries the sperm from the testes to the urethra?
The number of spermatids produced from primary spermatocytes is?
In seminiferous tubules, repeated division of the germinal epithelium produces?