Understanding Oxytocin and Postpartum Bleeding

Oxytocin sensitivity and postpartum hemorrhage: testing genetic and epigenetic biomarkers for improving maternal morbidity

NIH-funded research University of Arizona · NIH-11106045

This research looks at how genetics and other factors might make some mothers more likely to experience heavy bleeding after childbirth, even when given oxytocin.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Arizona NIH-funded
Lab location1 site (Tucson, United States)
Project IDNIH-11106045 on NIH RePORTER

What this research studies

Postpartum hemorrhage, or heavy bleeding after birth, is a serious concern for many new mothers, especially those who receive oxytocin to help with labor. While oxytocin is a common treatment, some individuals don't respond as well to it, leading to more bleeding. Current methods for predicting who is at risk aren't always accurate. This project aims to find new genetic and biological markers that could help us better understand why some mothers are more sensitive or resistant to oxytocin, and thus more prone to severe bleeding.

Who could benefit from this research

Good fit: This research is relevant for individuals who have experienced postpartum hemorrhage, especially after receiving oxytocin, or those with a family history of bleeding complications after childbirth.

Not a fit: Patients not at risk for or experiencing postpartum hemorrhage, or those without a history of oxytocin use during labor, would likely not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to better ways to identify mothers at high risk for postpartum hemorrhage, allowing for more personalized care and prevention strategies.

How similar studies have performed: Current clinical prediction tools for postpartum hemorrhage are often inaccurate, indicating a need for novel approaches like the genetic and epigenetic biomarker discovery proposed here.

Where this research is happening

Tucson, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.