Doctor-Reviewed Health Guides: Conditions, Procedures & Health News

Rinnit Research is the original-studies programme of rinnit.com. Each study follows a written analysis plan published before the data is pulled, has every number calculated in code and recalculated independently, is reviewed and interpreted by a physician, and is released with its data and code under a DOI. The studies are not peer-reviewed.

The blood-pressure gap in antenatal care is the percentage of women who received antenatal care for their most recent birth and did not have their blood pressure measured during that care. Across 48 countries with surveys from 2015 to 2025, the median gap is 4.3% (interquartile range 1.9% to 10.3%).