Question

And there was. — Germ Layer — Zygote — Inheritance - What does placenta do? — How many amnionic fluid with mom and fetus? — How many hormones secreted by Placenta

Answer 1

The formation of a baby is starts from the conception. The sperm and egg fused together to form Zygote. The zygote developed into embryo. The embryo consist of 3 layers of cells. Endoderm mesoderm and ectoderm called germ cells. The characteristics of the mother and father inherited to the baby at the formation of first human cell inside the uterus. The embryo forms fetus through multiple cell divisions. The cells forms fetus and placenta.

Placenta is the place were the fetus safely grow. Its provide oxygen and nutrients to the baby, take back the waste products through the umbilical cord ( the connective cord of mother and baby).

Placenta filled with amniotic fluid, were the baby live.

Only one amniotic fluid inside placenta but it’s amounts vary according to the gestational age( the growing months)

The placenta secretes 3 types of hormones

1. Human chorionic gonadotropin(hcg)(initial hormone of pregnancy)

2. Estrogen

3. Progesterone