Pregnancy Trimester, First

Synonyms

Early Placental Phase

Early Placental Phases

First Pregnancy Trimester

First Pregnancy Trimesters

First Trimester

First Trimester Pregnancies

First Trimester Pregnancy

First Trimesters

Phase, Early Placental

Phases, Early Placental

Placental Phase, Early

Placental Phases, Early

Pregnancies, First Trimester

Pregnancy Trimesters, First

Pregnancy, First Trimester

Trimester, First

Trimesters, First

The beginning third of a human PREGNANCY, from the first day of the last normal menstrual period (MENSTRUATION) through the completion of 14 weeks (98 days) of gestation.