Doubling times for betas between 8 and 16

39 Twins Pregnancies In This Range

Doubling TimeNumber of Pregnancies in this range
9 - 10 hours   (1)
10 - 12 hours   (3)
12 - 13 hours   (0)
13 - 15 hours   (2)
15 - 18 hours   (7)
18 - 20 hours   (5)
20 - 23 hours   (7)
23 - 26 hours   (4)
26 - 29 hours   (4)
29 - 33 hours   (2)
33 - 38 hours   (2)
38 - 43 hours   (2)