Doubling times for betas between 512 and 1024

3164 Twins Pregnancies In This Range

Doubling TimeNumber of Pregnancies in this range
11 - 14 hours   (3)
14 - 18 hours   (2)
18 - 22 hours   (14)
22 - 28 hours   (126)
28 - 36 hours   (814)
36 - 45 hours   (1427)
45 - 56 hours   (605)
56 - 71 hours   (139)
71 - 89 hours   (26)
89 - 112 hours   (4)
112 - 141 hours   (2)
141 - 178 hours   (2)