CYAF 160 Lecture Notes - Lecture 5: Frequent Urination, Umbilical Cord, Fetus
26 Jan 2017
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The begging of life: ovaries release the ovum (egg); and if sperm is available, fertilization can occur (must be within 24 hrs) Twins: how did that happen: monozygotic (mz) twins: 1 in 285 births; no ethnic differences. Do not run in families; not predicted by age or nutrition: dizygotic (dz) twins: Family history of twins: (older) maternal age; (healthy) maternal diet; infertility treatments. Side effects of multiple births: premature births, risk of miscarriage, gestational diabetes-mother, hypertension-mother, cerebral palsy-children, death-children. The ultimate guide to pregnancy: discovery health channel: the ultimate guide to pregnancy. A resource for you if you want to know more about pregnancy. (13-24 weeks) mother feels movement; fetus kicks, turns, hiccups, sucks thumb, breathes amniotic u; responses to sounds, especially music and familiar voices; vermin and lanugo develop on skin. (25-38 weeks): lungs develop fully; over two thirds of birth weight is gained, bran development accelerates; sleep-wake cycles resemble newborns. 8: now the embryo looks distinctly human .
