Woman's perceived stress during pregnancy; stressors and pregnancy adverse outcomes.

Stress perceived by mothers during pregnancy is dependent on several factors and can lead to adverse pregnancy outcomes threatening mother and child physical and mental health. The purpose of the present study is measuring perceived stress of pregnant women by 14 items Cohen's perceived stress scale (PSS), detecting stressors surrounding pregnant women including male partner's role, intimate violence, socioeconomic situation, etc., as well as investigate the effect of perceived stress on pregnancy adverse outcomes.