Female Reproductive System

Female Reproductive System - Adolescence p Puberty p Burst...

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Unformatted text preview: Adolescence p Puberty p Burst of hormones activate maturation of the gonads: ovaries p Begins: 8-13 yrs of age p Abnormally early = precocious puberty p Delayed =Primary Amenorrhea Function of Female Reproductive System p Produce sex hormones p Produce functioning gamates [ova] p Support & protect developing embryo General Physical Changes p Axillary & pubic hair growth p Changes in body conformation [widening of hips, development of breasts] p Onset of first menstrual period [menarche] p Mental changes Data from the 1998 Canadian GSS. Students living at home aged 15- 19. THE EMOTIONAL HEALTH OF ADOLESCENT GIRLS A CONCERN p Our analyses show that adolescent girls in the 15 to 19 age group may be more emotionally vulnerable today than they were in the 1980s. Girls surveyed in 1998 reported higher levels of time pressure and stress, and were less satisfied with their life, self- esteem, and the way they spent time than boys. p they assessed their health lower than the boys, and reported having more difficulty falling asleep. p The most surprising finding is, that girls' levels of life satisfaction and satisfaction with their self-esteem were in 1998 lower than those reported by adult employed women, who face considerably greater work challenges and time pressures. Source: Zuzanek, J. (2000). The effects of time use and time pressure on child- parent relationships. Waterloo: Otium Publications . Major Organs p Ovaries [ gonads] p Uterine tubes [ fallopian tubes] p Uterus p Vagina p Accessory glands p External genitalia p Breasts ovaries p Each ovary is about the size and shape of an almond. In young women the ovaries are about 1 - 2 inches long, 1 inch wide & 1/3 inch thick. After menopause they tend to shrink. p they produce eggs (also called ova) every female is born with a lifetime supply of eggs p they also produce hormones: Estrogen & Progesterone Male Homolog = testes oogenesis p when the girl becomes sexually mature, the primary oocytes recommence their development, usually one at a time and once a month. p The primary oocyte grows much larger and completes the meiosis I, forming a large secondary oocyte and a small polar body that receives little more than one set of chromosomes. oogenesis p In humans (and most vertebrates), the first polar body does not go on to meiosis II, but the secondary oocyte does proceed as far as metaphase of meiosis II and then stops. of meiosis II and then stops....
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This note was uploaded on 12/08/2011 for the course HES 1 taught by Professor Dianeolin during the Fall '11 term at Riverside Community College.

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Female Reproductive System - Adolescence p Puberty p Burst...

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