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During pregnancy and early postpartum, new fathers experience fewer psychiatric diagnoses. However, their risk of depression and stress-related disorders increases by more than 30% towards the end of the first year after childbirth.
Mental health during the transition to parenthood has traditionally centered on mothers, while fathers’ psychological wellbeing has received far less attention despite its relevance to family health. Because the timing of paternal psychiatric risk remains poorly characterized, this study examined how rates of newly diagnosed psychiatric disorders changed before conception, during pregnancy and across the first year after childbirth.
Investigators performed a nationwide prospective cohort study using linked population registers in Sweden and identified fathers of children born over an 18-year period. Psychiatric diagnoses occurring from one year before conception until one year after childbirth were examined and compared across different stages of the perinatal period. Incidence rates and adjusted incidence rate ratios were calculated for overall psychiatric morbidity and multiple disorder-specific categories after accounting for age and calendar year.
The analysis included 1,096,198 fathers contributing data from 1,915,722 births, making it one of the largest assessments of paternal psychiatric diagnoses across the transition to parenthood. Overall, incidence rates were lower during pregnancy and early postpartum than in the preconception period, but several disorder-specific patterns emerged over time.
These findings indicate that paternal psychiatric risk is not uniform across the perinatal period and may become more pronounced months after childbirth, underscoring the need for continued mental health monitoring beyond the early postpartum phase. The study challenged the assumption that the psychological burden of childbirth is confined to the immediate postpartum period and highlighted a delayed window of vulnerability among fathers.
While early parenthood appeared to coincide with fewer psychiatric diagnoses overall, later increases in depression and stress-related conditions underscored the importance of extending mental health surveillance beyond the early postpartum months and integrating fathers more fully into family-centered perinatal care.
JAMA Network Open
Psychiatric Disorders Among Fathers in Sweden Before, During, and After Partner Pregnancy
Nanyan Xiang et al.
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