Pre-Pregnancy US Size
Pre-Pregnancy UK Size
Chest
Waist
Hips
Great Maternity Size
XS
0-2
4-6
up to 36"
up to 26"
up to 33"
S
4 - 6
8-10
36"- 37"
26" – 28"
33" – 35"
M
8 - 10
12-14
34" – 36"
29" – 31"
36" – 38"
L
12 - 14
14-16
37" – 39"
32" – 34"
39" – 41"
XL
16 - 18
18-20
40" – 44"
35" – 39"
42" – 45"
