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11 Cards in this Set
- Front
- Back
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Life time of sperm |
up to 6 days |
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Recommended weight gain for pregnancy |
25-30 pounds |
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Purpose of the umbilical cord |
delivers blood with nutrients to the baby and removes waste |
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Purpose of placenta |
brings the mother's and the baby's blood close together; transfers food and oxygen to the umbilical cord and takes waste from it. |
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amniotic fluid |
keep the temperature constant and a cushion against jolts and movement |
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embryo period length |
from implantation through the eighth week of pregnancy - six weeks
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What happens in the embryo period |
most rapid prenatal changes; groundwork for all body structures and internal organs. |
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Length of Fetus period |
from ninth week to the end of pregnancy; longest/ finishing period |
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What happens in the fetus period? |
Growth and development of muscles, limbs, bones, eyes, ears, etc. |
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age of viability |
point at which the baby can first survive; between 22 and 26 weeks |
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Rh incompatibility |
Mother has Rh-negative blood (lack the Rh blood protein) and the baby is Rh-positive. If the baby blood gets into the mother's at all she creates antibodies to fight the protein. If these cross back they destroy the baby's red blood cells; reducing the oxygen to the organs and tissues. |
