Menopause Menopause is defined at the point in time at which a woman has not had a menstrual period for 12 consecutive months. Surgery is usually necessary to correct it. At puberty, the pituitary gland, located in the central part of the brain, starts making hormones that stimulate the ovaries to produce female sex hormones, including estrogen. Estrogen production from the dominant follicle leads to a sharp rise in LH secretion, causing the dominant follicle to release its egg. It takes only one sperm to fertilize the egg. During fertilization the egg cell plays a role; it releases certain molecules that are essential to guiding the sperm and allows the surface of the egg to attach to the sperm's surface. A very thin piece of skin-like tissue called the hymen partly covers the opening of the vagina. Nonmenstrual vaginal bleeding is most commonly due to the presence of a vaginal foreign body, often wadded-up toilet paper.
They produce, store, and release eggs into the fallopian tubes in the process called ovulation. The torsion blocks blood from flowing through the blood vessels that supply and nourish the ovaries. Menorrhagia is when a girl has a very heavy periods with excess bleeding. Depending on the type and severity of the condition, it may be treated with drugs to regulate hormone balance and menstruation. They produce hormones and contain eggs. When the male ejaculates when semen leaves a male's penis , between 0. No oocytes develop after birth. The external part of the female reproductive organs is called the vulva, which means covering. At puberty, the pituitary gland, located in the central part of the brain, starts making hormones that stimulate the ovaries to produce female sex hormones, including estrogen. The corpus of the uterus, which is highly muscular, can stretch to accommodate a growing fetus. This same opening dilates during labor to allow passage of the baby through the birth canal. In addition to producing female sex hormones estrogen and progesterone and male sex hormones, the ovaries produce and release eggs. If the cysts are painful, a doctor may prescribe birth control pills to alter their growth or they may be removed by a surgeon. At this time, the mucus-secreting glands of the cervix can store live sperm for up to about 5 days, but occasionally slightly longer. Only about eggs are released during a woman's reproductive life, usually one during each menstrual cycle. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system. A girl's first period is called menarche. This fringed area wraps around the ovary but doesn't completely attach to it. The vagina's muscular walls are lined with mucous membranes, which keep it protected and moist. The hormone estrogen causes the endometrium to become thick and rich with blood. Consequently, pregnancy can occur at different times during a menstrual cycle. At the junction of the labia minora is the clitoris, a small structure that is covered by a skin fold called the prepuce. The fallopian tube is the usual site of fertilization of the egg by the sperm. A female's internal reproductive organs are the vagina, uterus, fallopian tubes, and ovaries. The process by which the egg cell ovum is released is called ovulation.
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