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Christopher Robinson: Obstetric Anal Sphincter Injuries Assessed in 21-Year Nulliparous Birth Study
Mar 23, 2026, 13:08

Christopher Robinson: Obstetric Anal Sphincter Injuries Assessed in 21-Year Nulliparous Birth Study

Christopher Robinson, Associate Professor Maternal Fetal Medicine at University of South Carolina, shared a post on LinkedIn:

“Obstetric anal sphincter injuries in spontaneous vaginal births in nulliparous pregnant individuals: a 21-year cohort study based on real-world data – The photo illustrates the manual perineal protection method with two hands: one hand protecting the perineum and the other hand controlling the expulsion speed of the baby’s head.”

Title: Obstetric anal sphincter injuries in spontaneous vaginal births in nulliparous pregnant individuals: a 21-year cohort study based on real-world data

Authors: Katariina Laine, Kathrine Fodstad, Sari Räisänen

Read the full article.

Christopher Robinson: Obstetric Anal Sphincter Injuries Assessed in 21-Year Nulliparous Birth Study

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