Obgyn Key

Fig. 6.1 Preterm delivery risk factor in a specific country Aetiology of PTB is multifactorial, and numerous exposures including social, psychological, biological and genetic factors are known to be associated…

Fig. 5.1 Two CTG traces during the end of the first stage of labor. Both show prolonged decelerations; the top one shows an increased basal heart rate and reduced variation….