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Search Hedges- Emory University

The search hedges featured on this page were created by Informationists at the Woodruff Health Sciences Center Library, Emory University.

Pregnant Persons

 ("Pregnancy"[Mesh] NOT “Pregnancy, Animal”[MESH]) OR antenatal[tw] OR antepartum[tw] OR  ante-partum[tw] OR birth*[tw]  OR caesarean [tw] OR cesarean[tw] OR “c section*”[tw] OR “c-section*”[tw] OR "Delivery, Obstetric"[Mesh] OR episiotom*[tw] OR gestat*[tw] OR gravidity[tw] OR labor[tw] OR labour[tw] OR matern*[tw] OR miscarriage*[tw] OR perinatal[tw] OR perineotomy[tw] OR placenta*[tw] OR “Placenta”[MESH] OR “Obstetrics”[Mesh] OR “Obstetricians”[Mesh] OR pregnan*[tw] OR “Pregnancy Trimesters”[MESH] OR “Pregnant Women”[Mesh] OR prenatal[tw] OR pre-natal[tw] OR pre-term*[tw] OR preterm*[tw] OR parturient[tw] OR parturition[tw] OR “spontaneous abortion”[tw] OR stillbirth*[tw] OR stillborn[tw] OR trimester[tw]


This search hedge uses the MeSH definition of pregnancy from fertilization to birth. Spontaneous abortion is an included term as an occurrence rather than intervention.

  • Last Updated: October 2023
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Peterson, S. R., Leslie, S. L., Rogers, H. K., Nemeth, J., & White, M. S. (2023, March). Search Hedges- Emory University. Health Sciences Research Guides. Retrieved [xx], from

Other Terms to Consider:

  • abortion*
  • “early pregnancy loss”

pregnan* OR antenatal OR antepartum OR  ante-partum OR birth* OR caesarean OR cesarean OR “c section*” OR “c-section*” OR episiotom* OR gestat* OR gravidity OR labor OR labour OR matern* OR miscarriage* OR perinatal OR perineotomy OR placenta* OR obstetrics OR obstetrician* OR prenatal OR pre-natal OR pre-term* OR preterm* OR parturient OR parturition OR “spontaneous abortion” OR stillbirth* OR stillborn OR trimester