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Vagina Day Female Reproduction
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Puberty At 8: Pituitary gland Increases production of FSH
Breast Development Hair Development Underarms On legs Pubic region Menstrual cycle Irregular to begin After 2 years, becomes regular (every 28 days) At 8: Pituitary gland Increases production of FSH Follicle Stimulating Hormone
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External Reproductive Organs
Called the Vulva Mons veneris – fatty tissue covering front of pubic bone Labia majora – heavy folds of skin that surround the opening of vagina
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Labia minora- smaller folds of skin within the labia majora
Clitoris – highly sensitive structure located above the opening of urethra
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Internal Reproductive Organs
Ovaries (2) – release estrogen and progesterone and mature egg cells. Fallopian tubes (2) – oviducts that carry eggs. Where fertilization occurs.
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Uterus – muscular pear shaped organ, where fertilized egg grows into a baby.
Cervix – base of the uterus. Vagina – birth canal. Also where sperm enter.
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Menstrual Cycle A monthly series of changes that involve ovulation, changes in the uterine lining, and menstruation. Characteristics: Begins when egg matures. At the same time the Lining of the uterus (endometrium) thickens. Menstruation - discharge of blood and tissue if trhe egg is not fertilized.
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Stages of the cycle Days 1 – 5 Menstrual flow leaves body. New ovum maturing in ovary Days 6 – 12 Endometrium thickens. Days 13 – 14 Ovulation .
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Days 15 – 20 The corpus luteum is formed (temporary gland that secretes progesterone) from the burst follicle. Days The corpus luteum disintegrates if unfertilized. No more progesterone is secreted.
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