Table 3. Mean blood pressures and heart rates according to number of maternal cotyledons.

No. cotyledons	Systolic blood pressure (mm Hg)	Diastolic blood pressure (mm Hg)	Pulse pressure (mm Hg)	Heart Rate (beats/min)	No. children
BOYS
−8	101.3	55.7	45.6	77.8	65
9-11	101.8	56.5	45.3	75.9	94
12-14	103.6	57.5	46.1	77.0	79
15-17	103.6	57.4	46.2	77.1	69
18+	103.2	58.8	44.3	76.3	54
p for trend	0.05	0.007	0.7	0.7
mm Hg per 10 cotyledons	1.9 (0.0 to 3.7)	2.2 (0.6 to 3.7)	−0.3 (−2.0 to 1.3)	−0.5 (−2.9 to 1.9)
GIRLS
−8	100.2	58.7	41.4	76.8	55
9-11	101.5	57.7	43.8	81.6	86
12-14	101.9	57.4	44.5	80.0	128
15-17	103.3	58.2	45.1	82.3	103
18+	102.2	56.3	45.9	80.3	77
p for trend	0.05	0.1	<0.001	0.05
mm Hg per 10 cotyledons	1.7 (0.0 to 3.4)	−1.0 (−2.3 to 0.2)	2.7 (1.1 to 4.3)	2.2 (−0.1 to 4.5)