Many state legislatures are seriously considering human embryos at the earliest stages of development for legal personhood. Total abortion bans that consider humans to have full rights from the moment ...
The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...
NEW ORLEANS — Women with lower levels of anti-Müllerian hormone may take longer to become pregnant naturally, without use of assisted reproductive technologies, than their same-age peers with higher ...
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