Key result
Increasing rates of early planned delivery accounted for at least 36% of the observed decline in pregnancy hypertension rates from 9.9% to 7.7% between 2001 and 2012.
Why the study?
Does early planned delivery reduce pregnancy hypertension in pregnant women?
Cohort (n=1,076,122)
Yes
Does early planned delivery reduce pregnancy hypertension in pregnant women?
p-value: p=<0.0001
Increasing rates of early planned deliveries appear to partly explain the declining incidence of pregnancy hypertension, as women with risk factors are selected for early delivery.
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May explain part of declining pregnancy hypertension via early delivery selection; leaves open causal effects and optimal use pending RCTs.
G. F. Gebhart (2000) conducted a cohort in Pregnancy hypertension (n=1,076,122). Early planned delivery was evaluated on Pregnancy hypertension (including gestational hypertension, pre-eclampsia and eclampsia) (p=<0.0001). Increasing rates of early planned delivery accounted for at least 36% of the observed decline in pregnancy hypertension rates from 9.9% to 7.7% between 2001 and 2012.
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