Chapter 21, Problem 8A

Summary Introduction

Introduction:

Birth control pills are combination pills that contain a mixture of hormones. These pills control the function of the ovaries and uterus. The pills mainly contain estrogen and progesterone. These pills inhibit the secretion of luteinizing hormone (LH) and follicle stimulating hormone (FSH). This prevents the development of the follicle and the process of ovulation that is the egg release throughout the menstrual cycle. The pills also make the endometrium unsuitable for implantation of the egg is released. The pills also prevent the secretion of cervical mucus which prevents the movement of sperm into the cervix.