Table 2 Duration (weeks) of pregnancies previous to and subsequent from proband by gender, history of spontaneous abortion
From: A reproductive history of mothers with spina bifida offspring-a new look at old issues
Male proband | Female proband | ||||
|---|---|---|---|---|---|
N | Mean | N | Mean | p value | |
All mothers | |||||
Previous pregnancy | 69 | 36.9 | 100 | 33.5 | n.s. |
Subsequent pregnancy | 46 | 38.6 | 58 | 34.6 | 0.029 |
Mothers with history | |||||
Previous pregnancy | 14 | 27.9 | 33 | 20.9 | n.s. |
Subsequent pregnancy | 8 | 32.8 | 19 | 24.5 | n.s. |
Mothers with no history | |||||
Previous pregnancy | 55 | 39.2 | 67 | 39.6 | n.s. |
Subsequent pregnancy | 38 | 39.9 | 39 | 39.6 | n.s. |