menstrual cycle and contraceptive pills

 FSH 

it causes an egg to mature in an ovaryit stimulates the ovaries to release the hormone oestrogen.

Oestrogen

it stops FSH being produced - so that only one egg matures in a cycleit stimulates the pituitary gland to release luteinizing hormone (LH), which triggers ovulation (the release of the mature egg from the ovary).

Oral contraceptives: contain oestrogen to inhibit FSH

GK
Answered by Ghazn K. Biology tutor

3429 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain how the human body maintains blood glucose levels within a narrow range


What are the advantages and disadvantages of sexual reproduction?


Explain the difference between a receptor and an effector using examples.


Describe how pregnancy tests sticks work.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning