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What is the mechanism of action of combined hormonal contraceptives?

Option: 1

Inhibition of ovulation

Option: 2

Thinning of the endometrium

Option: 3

Thickening of cervical mucus

Option: 4

All of the above

Answers (1)


Combined hormonal contraceptives, which contain both estrogen and progestin, work through several mechanisms to prevent pregnancy

1) Inhibition of ovulation: Combined hormonal contraceptives primarily work by preventing the release of an egg from the ovaries, which is necessary for fertilization to occur.

2) Thinning of the endometrium: They can also thin the lining of the uterus, making it less hospitable to a fertilized egg and preventing implantation

3) Thickening of cervical mucus: They can also thicken cervical mucus, making it more difficult for sperm to enter the uterus and reach an egg.

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