Term: first trimester: time period extending from the first day of the last menstrual period through 12 weeks of gestation
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: trait: a distinguishing feature of your personal nature
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: trigger: a device that activates or releases or causes something to happen
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: reactivity: ready susceptibility to chemical change
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: teller: an official appointed to count the votes (especially in legislative assembly)
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: rein orchid: any of several American wildflowers with a kidney-shaped lip
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: candy striper: a volunteer worker in a hospital
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: vinegarroon: large whip-scorpion of Mexico and southern United States that emits a vinegary odor when alarmed
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: seashell: the shell of a marine organism
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: pickelhaube: a spiked helmet worn by German soldiers
Broader: trimester: a period of three months; especially one of the three three-month periods into which human pregnancy is divided | Unrelated: cytostome: mouth of a protozoan