'first trimester' definitions:
Definition of '
first trimester
'
(from
WordNet
)
noun
Time period extending from the first day of the last menstrual period through 12 weeks of gestation
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
