Book Review Pregnancy Tests Br Med J 1949; 1 doi: https://doi.org/10.1136/bmj.1.4608.760 (Published 30 April 1949) Cite this as: Br Med J 1949;1:760 Article Related content Metrics Responses Peer review Related articles Correction Corrigenda Published: 05 May 1934; Br Med J 1 doi:10.1136/bmj.1.3826.831-b See more The dearth of disaggregated health data: a political rather than a technical challenge BMJ June 01, 2023, 381 p1254; DOI: https://doi.org/10.1136/bmj.p1254 In the US, patient data privacy is an illusion BMJ June 01, 2023, 381 p1225; DOI: https://doi.org/10.1136/bmj.p1225 US court grants Sackler family protection from future opioid lawsuits in return for $6bn pay out BMJ June 01, 2023, 381 p1261; DOI: https://doi.org/10.1136/bmj.p1261 Towards net zero: critical care BMJ June 01, 2023, 381 e069044; DOI: https://doi.org/10.1136/bmj-2021-069044 Obituary: Traute Lafrenz—doctor and White Rose member BMJ June 01, 2023, 381 p1250; DOI: https://doi.org/10.1136/bmj.p1250