Most people think that a baby is supposed to be in the womb for 36 weeks (9 months) but a baby is supposed to be in the womb for 40 weeks (10 months).
A fetus.
placenta
Approximately 28 to 31 days.
A fetus is viable when it can live outside of the mothers womb. a viable foetus is where a foetus that could be taken from the womb and still be able to survive.
For 6 to 12 months
The gestation period (time that the foetus stays in the womb) for giraffes is 14-15 months.
After a period nine months in the mothers womb.
8 weeks
Depends on the species. Humans 9-10 months. Cats&dogs - a lot less. Elephants - a lot longer.
The membrane is called the Amniotic Sac, and the fluid is the Amniotic Fluid
It is the sack that surrounds the fetus in the womb/uterus. It contains the amniotic fluid and has the umbilical cord passing through it.
It depends. My baby died at 8 weeks and I found out at 12 weeks through an ultrasound, and it was removed by D&C