Tag
embryonic development
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The First Beat: When Does a Fetus Have a Heartbeat?
The journey begins long before a heartbeat can be heard through a Doppler. In the first weeks of gestation, the embryo’s circulatory system is a patchwork of...
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The Hidden Timeline: When Is Viability Week and Why It Matters
The ambiguity around viability week extends beyond mere semantics. It touches on ethical debates about fetal viability laws, the emotional toll of waiting for...