Genetics

Study reveals the genetic start-up of a human embryo

An international team of scientists led from Sweden's Karolinska Institutet has for the first time mapped all the genes that are activated in the first few days of a fertilized human egg. The study, which is being published ...

Medical research

Fertilization discovery: Do sperm wield tiny harpoons?

Could the sperm harpoon the egg to facilitate fertilization? That's the intriguing possibility raised by the University of Virginia School of Medicine's discovery that a protein within the head of the sperm forms spiky filaments, ...

Obstetrics & gynaecology

Women undergoing fertility treatment can succeed with fewer hormones

Since the early days of fertility treatment, women undergoing IVF treatment have had to place a hormonal gel in their vagina on a daily basis for at least 14 days after embryo transfer. The hormone is necessary to increase ...

page 32 from 40