For women using IVF/intracytoplasmic sperm injection, SARS-CoV-2 infection within 10 weeks after embryo transfer may not negatively affect pregnancy, implantation and miscarriage rates ...

A decade ago, manufacturing embryo-like structures, or embryoids, without reproductive cells would have seemed ludicrous. But as scientists increasingly map out the convoluted molecular journey ...

An embryo becomes a fetus at 10 weeks of pregnancy, but that fetus is unlikely to survive outside of a pregnant person until about 23 weeks gestation, Brandi said. The gestational sac houses the ...

Four teams have coaxed human stem cells to organize themselves into embryo-like forms. The advance could shed light on fertility. By Carl Zimmer In its first week, a fertilized human egg develops ...

The first embryo was transferred Dec. 11, 2023, and it implanted successfully. Then, I started my period on New Year's Eve. I didn't feel like I was having an "actual" miscarriage, because I was ...

Human-embryo models were created by Weatherbee et al. 3 (a), Pedroza et al. 2 (b) and Oldak et al. 1 (c) from naive human stem cells, which, under the correct conditions, self-organize to form ...