WordNet
n. time period extending from the first day of the last menstrual period through 12 weeks of gestation
Usage examples of "first trimester".
It permits abortion at the request of the woman without restriction in the first trimester and, with some restrictions intended to protect her health, in the second trimester.
An autopsy was performed at Northside Hospital, and one of our pathologists found she was in her first trimester.
She knew fatigue was extremely common in the first trimester, so her constant need of sleep didn’.
She spent a lot more time sleeping, which Doc reminded her was a normal part of the first trimester.
She spent a lot more time sleeping, which doc reminded her was a normal part of the first trimester.
She believed, because that is what Johann told her, that Yasin had fallen from one of the high cliffs on the opposite side of the island during the first trimester of her mothers pregnancy.
Ayla's morning sickness lasted well beyond the first trimester, and even by late fall when her thickened waist had grown to a bulge, she had trouble keeping food down.