Sentences with phrase «after fertilisation when»

The smaller eggs from overweight and obese women were less likely to reach a crucial stage of development called the «blastocyst», which occurs around five days after fertilisation when the embryo resembles a hollow ball of cells.

The earliest point at which pregnancy can be detected is one week after fertilisation when the embryo starts to implant into the womb of the mother.

Not exact matches

«A woman can only suspect that she is pregnant, at the earliest, two weeks after fertilisation, when she misses a period.

A new technique that allows embryos to develop in vitro beyond the implantation stage (when the embryo would normally implant into the womb) has been developed by scientists at the University of Cambridge allowing them to analyse for the first time key stages of human embryo development up to 13 days after fertilisation.