A new study shows embryos and the uterus exchange extracellular vesicles, lipids, and signals that shape early pregnancy ...

From the moment an embryo starts to take shape, two-way communication is critical for making sure tissues and organs develop ...

UCSF’s Program in Craniofacial Biology (PCB) brings together researchers to study the cellular and molecular mechanisms ...

Mouse embryo cells undergo apical-basal polarization asynchronously at the 8-cell stage, and the timing of polarization influences subsequent lineage allocation.

But tools using AI such as machine learning have been shown to help doctors select the embryos that have the best chance of ...

A gene that turns on very early in embryonic development could be key to the formation of the placenta, which provides the ...

Newly analyzed dinosaur eggs from China are offering an unusually intimate look at how these animals reproduced, grew, and ...

Scientists have reached a milestone in an ambitious initiative to chart how the many types of brain cells emerge and mature from the earliest embryonic and fetal stages until adulthood, knowledge that ...

Clare Kilcullen always wanted to be a mother, but when she went through early menopause in her 20s, she wasn't sure how that would happen. "[I thought] it would probably be an egg donor, but then in ...

Catholics on social media have been sounding the alarm on a chilling new trend: turning embryos into jewelry. Embryos — frozen children — who are no longer wanted by a family are literally killed to ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development—including the production ...

Baby Thaddeus Pierce began as a embryo that was frozen for more than 30 years. He holds the record for developing from the longest-frozen embryo known to result in a live birth. His mom was 4 and his ...