Fig. (1).
Examples of embryo image: (A) fertilised oocyte; (B) cleaving embryo; (C) blastocyst; ZP - zona pellucida; 1st PB - first polar body; ICM - inner cell mass; TE - trophectoderm.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.