February 24phys

February 24phys - Embryonic (embryo; 3 rd week -8 th week)...

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February 24, 12 Prenatal development - if a woman is a chronic alcoholic the fetus will have developmental problems. - THC will affect the sperm. Slower and alters the dna - Conception is when the sperm meets egg - Pregnancy is the plantation. - When the sperm is in the egg it is a zygote - When the egg drops in the abdomen it is pretty much a miscarriage Germinal (zygote; conception – 3 rd week) 60% of all natural conceptions fail to implant 70% of in vitro attempts fail to implant 25-30% of fertility treated pregnancies results in multiple births
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Unformatted text preview: Embryonic (embryo; 3 rd week -8 th week) 20% of all embryos are spontaneously aborted neural tube developed (CNS) 4 th week head, facial features, and first signs of cardiovascular functioning 8 th week all basic organs have formed, except sex organs Fetal (fetus; 9 th week-birth) Sex organs developed, SRY signal sent to males Fetus is fully shaped by the 12 th week. 3-6 months development working harder working beter. Age of viability ` 22 weeks...
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February 24phys - Embryonic (embryo; 3 rd week -8 th week)...

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