Parts of the female sex organ

Progesterone prepares the uterus for a fertilized egg to implant. When stimulated, Bartholin glands located beside the vaginal opening secrete a thick fluid that supplies lubrication for intercourse. During the follicular phase of the menstrual cycle, the following events occur: Eggs that are not fertilized are expelled during menstruation. National Institutes of Health. The fimbriae sweep the egg into the tube. The hormones stimulate the growth of about 15 to 20 eggs in the ovaries, each in its own "shell," called a follicle.

This website is certified by Health On The Net. Ищите стоковые фотографии или видеоклипы с помощью поиска по популярным категориям Животные Архитектура и здания Искусство и развлечения Дети Красота и здоровье. In the absence of fertilization, the ovum will eventually traverse the entire reproductive tract from the fallopian tube until exiting the vagina through menstruation.