Article
Early embryo mortality in natural human reproduction: What the data say
7 Jun 2017
Abstract excerpt
How many human embryos die between fertilisation and birth under natural conditions? It is widely accepted that natural human embryo mortality is high, particularly during the first weeks after fertilisation, with total prenatal losses of 70% and higher frequently claimed. However, the first external sign of pregnancy occurs two weeks after fertilisation with a missed menstrual period, and establishing the fate...
Read the complete abstract on PubMedTopics
Share this publication in a Topic to start or enrich a Post.
