Abstract PP.29 Table
Obstetric History
n
PTB<34 weeks
PTB<37 weeks
Overall
91
15%
17%
Primigravid
59
6%
22%
Previous term delivery only
8
13%
0%
Second trimester loss/preterm delivery, no term delivery
26
27%
15%
Previous preterm and term deliveries
4
0%
0%