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Oxytocin 2013-08 ClinicalTrials

Oxytocin, ACTH, and Cortisol Associations with Postpartum Mood and Lactation in Latinas to be Examined in New Study

Study of Exposure to Stress, Postpartum Mood, Adverse Life Events, and Hormonal Function Among Latinas (SEPAH Latina)

Background

Postpartum stress (PPS) significantly impacts maternal-infant health, yet the specific physiological mechanisms, particularly hormonal responses, remain poorly understood in diverse populations. Postpartum Depression (PPD) and lactation failure are critical concerns, with existing interventions often falling short for specific ethnic groups. This study addresses a crucial gap by exploring the roles of oxytocin (OT), adrenocorticotropic hormone (ACTH), and cortisol in the context of stress, trauma, PPD, and breastfeeding outcomes specifically within Latina women, considering the unique experiences of immigrant versus U.S.-born individuals.

Study Design

The funded study will enroll 60 prenatal Latinas (30 immigrant, 30 U.S.-born) between 34 to 37 weeks gestation, aged 18 to 45 years. Participants must have a singleton pregnancy, intend to breastfeed for over 2 months, and be willing to be followed for 8 weeks after delivery. Exclusions include maternal/infant disorders interfering with breastfeeding, substance use, or severe psychiatric disorders other than depression/anxiety. The study will involve collecting venous blood for oxytocin, ACTH, and cortisol measurements, alongside assessments of stress, trauma history, and PPD.

Results

This funded study aims to determine key associations and feasibility rather than reporting completed results. The primary objective is to:

Examine associations among oxytocin levels, stress, trauma history, Postpartum Depression (PPD), and lactation failure in the full 60-subject sample, assessing differences between immigrant and non-immigrant Latina women on these measures. Researchers also plan to quantify the correlation between ACTH, cortisol, and PPD, investigating potential differences between immigrant and non-immigrant Latina women. Furthermore, the study will assess the feasibility of enrolling Latinas into a laboratory-based study that includes the collection of venous blood for oxytocin, ACTH, and cortisol measurements, providing foundational data for future larger-scale investigations into these critical maternal health outcomes.

Key Findings

  • Study to examine associations among oxytocin, stress, trauma, PPD, and lactation failure in Latinas.
  • Study to quantify correlation between ACTH, cortisol, and PPD.
  • Study to assess differences in these measures between immigrant and non-immigrant Latina women.
  • Study to evaluate feasibility of enrolling Latinas for blood collection of oxytocin, ACTH, and cortisol.

Why It Matters

Understanding the interplay of oxytocin, ACTH, and cortisol with stress, trauma, PPD, and lactation in Latinas could revolutionize targeted support strategies. Identifying distinct hormonal profiles or risk factors in immigrant versus U.S.-born Latinas could lead to culturally sensitive and personalized interventions for PPD and breastfeeding challenges. This foundational work is crucial for developing more effective screening tools and support programs, potentially improving maternal-infant health outcomes. While not immediately translatable to a clinical protocol, this research lays the groundwork for future studies that could inform how we assess risk and provide care, especially for vulnerable populations.


oxytocin acth cortisol postpartum-depression lactation stress
Source: clinicaltrials:NCT01912833 · Ingested Sep 4, 2026 · Digest: gemini-2.5-flash