10 months
A fetus at 4 months of gestation is the size of a small cat--which is around 5 to 10 lb.
A normal full term pregnancy is approximately 9 months for a human.
Three months
In humans, the embryo becomes the fetus at the beginning of the 11th week in gestational age (the 9th week after fertilization). This stage starts when the major structures have formed.
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).
Usually 9-10 months.
Depends on the species. Humans 9-10 months. Cats&dogs - a lot less. Elephants - a lot longer.
A woman is pregnant for averagely 10-12 months.
normally a fetus is 5.6 cm on average
You are pregnant for 10 months/40 weeks but how long it takes to get pregnant differs between couples. If nothing have happened in a year you should consult a doctor.10 months
One unborn baby is called a fetus. More than one unborn baby in one mother's uterus are called fetuses. At the moment a fetus is born it is called a neonate-- or more commonly put, it is called a "baby" or "infant". But until it is born, it is a fetus.