Depends. But we have different methods to assess the cervix and procedures to prevent (not 100%) mis carriages. All depends on the initial status, progression, assessment and intervention.
nine
Full term pregnancy is nine months
it will be almost nine months of pregnancy
Pregnancy
The hormones produced by the pregnancy prevent an egg being released.
months of pregnancy
"I'm a riddle in nine syllables" The nine syllables correspond with the nine months of pregnancy. Each line of the poem is a metaphor for pregnancy and there are nine lines, one for each month of gestation. The riddle in the first line is the unknown baby growing in those nine months/syllables.
Human gestation is usually 40 weeks - between 9 and 10 months.
It would be a symptom of diabetes but not pregnancy unless you were eight or nine months pregnant.
If there's nine months in a pregnancy then divide by three to get a trimester. Therefore there are three months in a trimester
Not as much as you pay for the 18 years afterwards.
For humans, nine. Other species may have longer or shorter pregnancies.