21 weeks is roughly 4 months pregnant, and a pregnancy lasts for roughly 9 months, so you have about 5 months to go. Generally, though, pregnancy is calculated in weeks rather than months. A pregnancy lasts for roughly 40 weeks, so you have roughly 19 weeks left to go. Congratulations.
9 months
You have roughly 14 weeks left because pregnancy lasts 40 weeks
nine
4 months
9 months
8 months
Snooki is 4 months
2 months
If you mean how many months left in a year, then it would be eight months left in that year.
it will be almost nine months of pregnancy
On average, a woman can have 1 pregnancy every 9 months.
18/4= 4.5 months