Implantation of the Blastocyst

THE STAGES OF ZYGOTE DEVELOPMENT

DAY >1: Zygote (a diploid cell) --> as it travels along the oviduct, it divides by mitosis;

DAYS 3-4: Morula --> a ball of cells;

DAYS 5-6: Blastocyst --> a hollow ball of cells

IMPLANTATION

• The blastocyst reaches the uterus around a week after fertilisation.  It takes a few days to implant into…