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Female Reproductive System

Female Reproductive System. What the Female Reproductive System Does. The function of the female reproductive system is to make eggs and to provide a place to support and nourish a developing human. How the Female Reproductive System Works. Female Puberty.

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Female Reproductive System

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  1. Female Reproductive System

  2. What the Female Reproductive System Does • The function of the female reproductive system is to make eggs and to provide a place to support and nourish a developing human

  3. How the Female Reproductive System Works

  4. Female Puberty • Girls usually begin the process of puberty between the ages of 9 and 13, slightly earlier than boys • At this time the body releases the female sex hormone estrogen that causes physical changes to occur. • While girls are often fully developed by age 16, some continue to mature physically through age 18.

  5. Changes that occur: Growth spurt Acne may appear Underarm hair appears Perspiration increases Breasts develop Waistline narrows Hips widen Uterus and ovaries enlarge Pubic hair appears External genitals enlarge Ovulation occurs Menstruation begins Long bone growth stops Female Puberty

  6. Ovary • Female reproductive organs that produce eggs and the female sex hormone estrogen and progesterone • Each ovary is about the size of the top joint of a thumb and contains 1-2 million eggs

  7. Estrogen • Female sex hormone that causes sex hormones to mature into adult shape and size • Causes secondary sex characteristics to develop, bones to strengthen, regulate the menstrual cycle, and prepare the body for pregnancy

  8. Eggs • Sex cells that are produced in the ovaries • Eggs start to develop before the female is born • By the time the female is born, only 700,000 eggs remain from the 1-2 million that were present in the female while in the womb • 400,000 eggs will remain by the time a girl reaches puberty • About 400 eggs will mature in a women’s life • Each egg is about .135mm or the size of a very sharp pencil

  9. Vagina • Reproductive organ that connects the outside of the women’s body to the uterus • Secretes acid type liquid at certain times of the month that can kill sperm • Elastic like skin that can stretch as needed • Allows menstrual fluid to exit the body and is part of the birth canal

  10. Urethra • The long narrow tube that carries urine from the bladder out of the body

  11. Fallopian Tubes • Transports the egg from the ovary to the uterus • The end of the fallopian tube contains fimbria that help to pull the ripened egg out of the ovary and down the tube • This organ is about 4-5 inches long and is lined with cilia that help to sweep the egg down the tube

  12. Uterus • A pear shaped, muscular cavity about the size of a fist • It is found at the top of the vagina • The uterus is the organ where a fertilized egg is implanted so a baby may develop • The uterus is known as the womb

  13. Cervix • Where the uterus meets the vagina • At times it gives off substances that kill the sperm and at other times helps the sperm to live easier

  14. Ovulation • The releasing of the egg from the ovary • Each month in the left or right ovary, an egg ripens and is swept into the fallopian tube where it is capable of being fertilized • It takes about 72 hours for the egg to travel the tube, most sperm have the same lifespan • The egg will only live a few hours in the uterus if not fertilized

  15. Bladder • A triangular sac that stores urine before it is excreted out of the body

  16. Menstrual Cycle • A monthly series of hormone controlled changes that prepare the body for pregnancy • If the egg is not fertilized, menstruation occurs • The lining of the uterus is shed, about 2-4oz. over 3-7 days • If fertilization occurs, bleeding stops and a mucus plug is formed

  17. Premenstrual Syndrome - PMS • Mental and physical changes that occur based upon hormonal shifts • Mood swings, head aches, bloating and breast tenderness are common symptoms

  18. Menstrual Cramps • Cramp like pain that is caused by contractions of the uterus

  19. Infertility • The inability to reproduce – may be caused by a number of factors from a low sperm count, endometriosis, genetics or STI’s

  20. Pelvic Exam • An annual examination by a doctor or gynecologist to detect any problems that a women may be unable to detect with her reproductive system • Women should begin having this exam when they reach 18 or if they become sexually active before

  21. Pap Smear • A test that examines the cells of the uterus

  22. Breast Exam • A self exam women should perform at the same time each month usually the week following their period to detect any lumps, swelling, pain in the breasts

  23. Mammogram • An exam that is recommended annually once a woman reaches 40 • This test detects cancer

  24. Menopause • When a women is no longer able to reproduce and her body goes through a series of changes • Usually happens between the ages of 45 and 60

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