Cohort Profile Update: the Rotterdam Periconceptional Cohort and embryonic and fetal measurements using 3D ultrasound and virtual reality techniques

Melek Rousian, Sam Schoenmakers, Alex J. Eggink, Dionne V. Gootjes, Anton H. J. Koning, Maria P.H. Koster, A. Mulders, Esther B. Baart, Irwin Reiss, Joop S.E. Laven, Eric A.P. Steegers, Régine P.M. Steegers‐Theunissen