#AskTheExpert meri daughter pure din stretching krti rehti h, jb b jagi huyi hoti h akadti rehti h, is there any problem?

A. hi dear Life Begins at Fertilization with the Embryo's Conception. "Development of the embryo begins at Stage 1 when a sperm fertilizes an oocyte and together they form a zygote." "Human development begins after the union of male and female gametes or germ cells during a process known as fertilization (conception).