Then, at the end of the first trimester, John drops a bombshell: there is not one love-child, but two.
These women were twice as likely as those seeking first trimester abortions to be under 25.
Each of these studies found that exposure to starvation during the first trimester of pregnancy appeared to do the most harm.
trimester tri·mes·ter (trī-měs'tər, trī'měs'-)
A period of three months.