Doubling times for betas between 32 and 64

278 Twins Pregnancies In This Range

Doubling TimeNumber of Pregnancies in this range
9 - 11 hours   (2)
11 - 14 hours   (2)
14 - 17 hours   (10)
17 - 21 hours   (15)
21 - 27 hours   (57)
27 - 33 hours   (93)
33 - 40 hours   (58)
40 - 50 hours   (29)
50 - 62 hours   (9)
62 - 76 hours   (2)
76 - 93 hours   (0)
93 - 115 hours   (1)