Exploration and confirmation of factors associated with uncomplicated pregnancy in nulliparous women: prospective cohort study
With 255 births every minute around the world,1 pregnancy is common. Research on pregnancy tends to focus on adverse outcomes, in an attempt to understand why things go wrong and how they can be prevented. This study takes a different approach and asks what factors are associated with healthy pregnancies, thus identifying factors that can be modified before pregnancy to help women make decisions about actions and interventions that can increase the likelihood of a normal pregnancy.
The participants were interviewed and examined by a research midwife at 14-16 weeks’ gestation and again at 19-21 weeks’ gestation. A lot of different information was collected during these visits, including personal information, such as socioeconomic status; obstetric, gynaecological, and medical history; family history; dietary information before conception and during pregnancy; drug history; social history, including social supports, domestic violence, and use of cigarettes and alcohol; lifestyle questionnaires on work, exercise, and sedentary