Exposure to Stress During Early Pregnancy Affects Offspring Into Adulthood ... assisted reproductive technology (ART) may result in birth defects ... New Insights Into the Biology and Risk Factors ...
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Why Some Women Feel Less Or No Pain During Childbirth?Some women experience less pain during childbirth due to a genetic variant, KV6.4, which acts like a natural epidural, ...
Twins occur when two separate eggs are fertilized at the same time, or when a fertilized eggs splits into two. Multiple ...
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