Effects A lot of key development happens by week 9-12 First trimester up to the first 12 weeks(3months) Physiology of fetus Circulation- mother help is very important Embryonic Tissue Layers- may let you know where the malformation occurred Ectoderm Brain, nerves, skin Mesoderm Cartilage, muscle, blood vessels, heart, kidneys Endoderm Digestive tract, respiratory tree, liver, pancreas Gestation Carrying of embryo or fetus Time of conception to birth approx. 9 months (280 days/40 weeks) Full term (37-42…
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