Five-year follow-up of placental involution after abdominal pregnancy

Mario Valenzano, Luca Nicoletti, Franco Odicino, Silvia Cocuccio, Paola Lorenzi, Nicola Ragni

Research output: Contribution to journalArticlepeer-review

Abstract

A 29-year-old woman with an abdominal pregnancy was admitted to the hospital at 29 weeks' menstrual age. At 30 weeks, laparotomy was performed, and a live fetus, wrapped in membrane remnants, was taken from the abdominal cavity. The placenta, inserted in the right hemipelvis, was left in situ. The patient's postoperative recovery was uneventful, and she was monitored periodically as follow-up. At her 5-year follow-up visit, we assessed placental involution by measuring serum β human chorionic gonadotropin and by using color and pulsed Doppler sonography. The dynamics of the regression of placental volume yielded a bimodal curve: a phase of decrease over the first 2 months, coincident with a reduction in vascularization, followed by stability that lasted 6-8 months, and a second phase of gradual volume reduction. At 5 years, the placenta appeared as a small residual echogenic mass with no vascularity. The use of MRI in this case provided no additional information to what we found using sonography.

Original languageEnglish
Pages (from-to)39-43
Number of pages5
JournalJournal of Clinical Ultrasound
Volume31
Issue number1
DOIs
Publication statusPublished - Jan 2003

Keywords

  • Abdominal pregnancy
  • Placental involution
  • Ultrasonography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Acoustics and Ultrasonics

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