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utrail utrail
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6 years ago
Why do most people say pregnancy lasts 40 weeks when it lasts an average of 38 weeks?
A) a woman's cycle is not precise.
B) sperm can survive a number of days or weeks in the uterus.
C) due to how health professionals measure pregnancy.
D) physicians use ultrasound to figure due dates out.
Textbook 
Children: A Chronological Approach, Canadian Edition

Children: A Chronological Approach, Canadian Edition


Edition: 5th
Authors:
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fdr77fdr77
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6 years ago
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