WAmniotic fluid embolism
WBreech birth
WNuchal cord
WObstructed labour
WPlacenta accreta spectrum
WPlacental disease
WPlacental infarction
WPostpartum bleeding
WPreterm birth
WProlonged labor
WShoulder dystocia
WShoulder presentation
WUmbilical cord prolapse
WUterine inversion
WUterine rupture
WVasa praevia