Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892



Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

How does the oral contraceptive pill prevent pregnancy?

Summary Introduction

To review:

Prevention of pregnancy through oral contraceptive pills.


Contraception is the process of prevention of pregnancy. It is also known as birth control or fertility control. It can be achieved through various techniques. For example, by preventing ovulation, by interfering the fertilization process or by preventing the sperms to reach the site of fertilization. These techniques can be performed through various methods such as oral contraceptive methods, through the intrauterine devices (IUD copper T), by using a female condom or by rhythm methods.


The oral contraceptive pill is one of the most common method to prevent pregnancy. It is a very effective way of contraception. In this method, a pill is taken orally for 20 to 21 days after the end of menstrual cycle. The pill is a combination of progesterone and estrogen. Progesterone and estrogen hormone repress the pituitary gland.

The pituitary gland of an individual is responsible for the luteinizing hormone (LH) and follicle stimulating hormone (FSH) secretion...

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