Stages of pregnancy

Stages of pregnancy - o Stages of pregnancy First trimester...

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o Stages of pregnancy First trimester (conception-3 months) Second trimester (3-6 months) Third trimester (6-9 months) Birth(38 weeks) o The embryo Physiological structures and system differentiate Embryo is quite vulnerable o Development Cephalocaudal (head-to-body) Areas near the head develop at a more rapid pace than those farther away The head develops before the body The hand develop before the feet Proximal-distal (center-out) Starts in centre areas like the internal organs and proceeds to more distal areas such as legs and arms o The Fetus Rapid muscular development Eyes open and close Age of viability – 22-26 weeks o Fetal experience Touch – fetus’s body parts come in contact with one another Taste – can detect flavors in the amniotic sac Smell – can detect the smells of the amniotic fluid, which are influence by what the mother eats Hazards to prenatal development o Teratogens - agents from the environment that may cause harm in a growing
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This note was uploaded on 11/27/2011 for the course PSYC 250 taught by Professor Okeke during the Fall '07 term at UNC.

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Stages of pregnancy - o Stages of pregnancy First trimester...

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