Embryonic morphological development is delayed in live pregnancies ending in miscarriage, according to a prospective cohort study from the Netherlands. Among over 600 singleton pregnancies, those ...

Smoking by mothers during the period immediately before and after conception is linked to a delay in embryonic development, smaller fetuses at the time of the 20-week ultrasound scan, and lower birth ...

Researchers have used naïve pluripotent stem cells to create an embryo model that looks and acts like a natural human embryo. They say it’s an ethical way of gaining a better understanding of ...

Since the placenta plays a central role in the development and health of the fetus, these changes could have major consequences for the child's future. The study also shows that these DNA methylation ...

Researchers have used stem cells to develop new human embryolike structures that model the earliest stages of fetal development so realistically that they even secrete hormones that can turn a lab ...

In pregnancies conceived with assisted reproductive technology using frozen embryos, the risk of developing a hypertensive disorder may be 74% higher than during naturally conceived pregnancies. In ...

At two months pregnant, your baby is rapidly developing key organs and features. Learn about common symptoms, what changes to ...

New research has linked the use of frozen embryos in in vitro fertilization (IVF) with a higher risk of pregnancy complications linked to high blood pressure. The massive study, which was published in ...