CompletedNot Applicable

Does Antenatal Fetal Head Circumference Predict Anal Sphincter Injury, a Prospective Study

United States80 participantsStarted 2005-01

Plain-language summary

The purpose of this study is to see if fetal head circumference can be used as a predictor for who will experience a sphincter laceration while delivering.

Who can participate

Age range18 Years

SexFEMALE

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Primiparous subjects at least 18 years of age * Gestational age greater than or equal to 36 weeks and upto 42 weeks gestation * Subjects must have give written informed consent to participate in this study * Subjects must be planning to deliver at UCI Exclusion Criteria: * Subjects less than 18 years of age * Subjects with a previous delivery * Subjects with previous colorectal surgery or hemorrhoidal surgery * Subjects with a history of irritable bowel syndrome, ulcerative colitis, or Crohn's disease * Subjects with a history of colon or rectal cancer * Gestational age less than 36 weeks * Cesarean section

What they're measuring

Fetal head circumference and position, maternal pelvis, infant weight, maternal weight, length of the second stage, the incidence of sphincter tears as diagnosed by transvaginal ultrasound as well as the incidence of fecal urgency and incontinence.

Timeframe: 6 Months

Trial details

NCT IDNCT00580879

SponsorUniversity of California, Irvine

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2009-03

View on ClinicalTrials.gov More Anorectal Sphincter Laceration trials