Randomized Controlled Trial on the Effect of Group Versus Individual Prenatal Care on Psychosocial Outcomes

Objective: To assess the effect of group prenatal care (GPNC) compared with individual prenatal care (IPNC) on psychosocial outcomes in late pregnancy, including potential differences in outcomes by subgroups. Setting: An academic medical center in the southeastern United States. Participants: A total of 2,348 women with low-risk pregnancies who entered prenatal care before 20 6/7 weeks gestation were randomized to GPNC (n = 1,175) or IPNC (n = 1,173) and stratified by self-reported race and ethnicity. Methods: We surveyed participants during enrollment (M = 12.21 weeks gestation) and in late pregnancy (M = 32.51 weeks gestation). We used standard measures related to stress, anxiety, coping strategies, empowerment, depression symptoms, and stress management practices in an intent-to-treat regression analysis. To account for nonadherence to GPNC treatment, we used an instrumental variable approach. Results: The response rates were high, with 78.69% of participants in the GPNC group and 83.89% of participants in the IPNC group completing the surveys. We found similar patterns for both groups, including decrease in distress and increase in anxiety between surveys and comparable levels of pregnancy empowerment and stress management at the second survey. We identified greater use of coping strategies for participants in the GPNC group, particularly those who identified as Black or had low levels of partner support. Conclusion: Group prenatal care did not affect stress and anxiety in late pregnancy; however, the increased use of coping strategies may suggest a benefit of GPNC for some participants.