Sentences with phrase «during this implantation stage»
About half of in vitro pregnancies fail during this implantation stage, and many natural pregnancies end then as well.
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At this stage, the mature egg that was fertilized in the fallopian tube at the time of ovulation has made its way down into the uterus and has already attached itself to the uterine wall during the implantation process.
Griffith sampled opossum gene activity before pregnancy, during the egg - shell stage, and after implantation.
This approach allowed us to explore altered communication between conceptus and endometrium that might lead to the failure of implantation as well as pathologic conditions of the developing placenta and fetus during later stages of pregnancy.