Researchers generated mouse embryo models entirely from chemically induced totipotent-like stem cells that self-organized ...

Obstetricians and gynecologists at Toho University, Japan examined 1,331 cases of frozen-thawed embryo transfer cycles and found that blastocysts showing shrinkage at the time of transfer had a low ...

Have you ever wondered what happens in the very first days after fertilisation, before a pregnancy test even turns positive? Many women know conception begins with an egg and sperm, but few understand ...

IntroductionWhy is there no pregnancy even after transferring a top-rated blastocyst?"This blastocyst is a 4AA. It is in very good condition."Many people have likely felt their expectations rise when ...

Single-embryo transfer has been recommended to reduce the incidence of multiple gestations when in vitro fertilization is performed in women under 36 years of age. We designed a prospective, ...

An international collaboration of researchers from the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan and Gladstone Institutes in the U.S. have generated 3-D blastocyst-like structures ...

A study led by Dr. Man Zhang (Guangzhou Laboratory, Guangzhou Medical University) has been published in the journal Science China Life Sciences. Previous studies have shown that the efficiency of the ...

In a study of early embryonic development in primates, an international research team under the leadership of Berthold Huppertz and Thomas Kroneis from Med Uni Graz has shown for the first time that ...

A case with a poor blastocyst development rate"I'm in my 30s, but my embryos don't grow to the blastocyst stage. The cause ...