t - New York Civil Liberties Union

218
Union-Endicott
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Reproduction & Birth Notes." ... ,"'. ,.
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MenStrual Cycle Average is 28 days, Normal range 21- 3Sdays. ' ,
Day l - First day of period ';':. "00:.' '... '0 • :.0. '.
Day 1-14 - 'legg foUicleismatUrin:g~Estr~ógenQluses 'uterineUning to thicken.
Day 14 - Ovuiation (actuaiiy is 14 days before, next period begins)
- EggfoUicle bursts releasing egg intôfallopiantube.
- Most fertile period . '.
Day 14-28 - 'FbUicle beComês;(jor·inis LuteuPl Whiéhseeretesprogesterone causing
_ ~--,----__ ~ utediudining_t(Lthicken_furtheI'. . . '. ,'o' ' .
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*If.egg is not fértilized, estrogen & progesterone decrease and uterine ,lining is shed
in menstruation. ..,.0 tr 'f ':,' {~t'" . .'
**If egg is .fertilized and implants itself in uterus, it release another hormone"HCG,
which-helps maintain the uterine lining. BCG is what pregnancy tests test for.
Eggs are viable for 2448hours.
Sperm can live â-S days.
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Sex without contraception will result in pregnancy in 85% of couples over 1 year.
Conception -Union of sperm &egg. Also called fertilization. Takes place in
fallopian tube.
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Placenta - Organ that develops in the uterus 12 days afterconception,providing
nutrients to fetus and eliminating waste.
- Filters .~bacteriaand 'other substances.
- Alcdhól &. :mauy ,other ,drugs eae.cressptaceuta.
- LaterwiUbecaUed the "afterbirth"
Umbilica.l cord - Rope::-like structure attaching baby to placenta.
Amniotic sac - Thin membrane filled with fluid in which the baby floats.
Amniocëntesis - Test in which a needle withdraws a sample of the amniotic fluid
.and-eellsfrom the baby are tested for .any genetic abnormalities.
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Signs of Pregnancy
- tender breasts
- morning sickness
- absence of period
- fatigue
- presence of HCG in urine (preguaacy test)
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