Also known as constriction ring syndrome or amnionic band, constriction band occurs when an egg’s amnion (a thin membrane that lines the) breaks loose during development in the uterus and gets tangled ...

Barbara Galati/Medical Images USA Is it dry eye or neurotrophic keratitis? Winston Posvar, OD, and Andrew Pucker, OD, explain how clinical tests can help you catch this rare, but severe disease. A ...

One patient underwent IVF at a foreign hospital in Europe, where the oocyte of the patient’s sister was fertilized and transferred. Foetal cytogenetic analysis during pregnancy was performed using ...