The association between postpartum depressive symptoms and contraception.

BACKGROUND

Postpartum depression affects 10-20% of birthing people and is associated with changes in healthcare utilization. Little is known about the association between postpartum depressive symptoms and choice to use contraception, however both un- or under-treated depression and short interpregnancy intervals pose significant perinatal health risks.

OBJECTIVE

To evaluate whether postpartum depressive symptoms are associated with changes in decisions to use any method of contraception.

STUDY DESIGN

This retrospective cohort study included birthing people who delivered between 2017-2022 and were referred to a collaborative care program for mental health care. Through this program, birthing people with mental health conditions have access to specialized perinatal mental health care and prospective symptoms monitoring via a patient registry. Postpartum depressive symptoms are assessed via the Patient Health Questionnaire-9 (PHQ-9) and scores were stratified by severity according to clinical cutoffs. Contraceptive method choice was determined by documentation in the electronic health record and dichotomized as "none" if the participant declined all forms of contraception both at delivery and at the postpartum visit. Bivariable and multivariable analyses were performed.

RESULTS

Of the 1871 participants that met inclusion criteria, 160 (8.5%) had postpartum PHQ-9 scores > 14, representing moderately severe or worse depressive symptoms and 43 (2.3%) had severe (PHQ-9 > 19) depressive symptoms. Compared to birthing people with PHQ-9 ≤ 14, those with higher PHQ-9 scores were more likely to have medical comorbidities, have a higher body mass index, to self-identify as Black, Native Hawaiian or Pacific Islander, or Hispanic/Latina, have a preterm delivery, and less likely to be married or nulliparous. There were no differences in any other sociodemographic or clinical characteristics. The choice to use any contraceptive method decreased with increasing depressive symptoms in bivariable and multivariable analyses, reaching statistical significance in birthing people with severe depressive symptoms (aOR 2.92, 95% CI 1.46-5.84).

CONCLUSION

Severe perinatal depressive symptoms are associated with a declination of any form of postpartum contraception. This finding becomes increasingly relevant as abortion access continues to be threatened across the US, compounding the potential impact of opting not to use contraception.

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