Timing of blood sample collection in combined first‐trimester screening for chromosomal aberrations and pre‐eclampsia screening. - Riishede, I.; Ekelund, C. K.; Overgaard, M.; Sundberg, K.; Vedel, C.; Hedermann, G.; Tabor, A.; Petersen, O. B.; Gadsbøll, K.; Rode, L. (Ultrasound in Obstetrics & Gynecology, 2026)