PRB/NICHD Customized Cervical Length Standard

Pregnancy characteristics

Maternal parity

Maternal weight (kg):

Materal height (cm):

Ultrasound information

Completed weeks

and Days

Cervical length (mm)

Output

Personalized assessment of cervical length improves prediction of spontaneous preterm birth: a standard and a percentile calculator

Dereje W. Gudicha, Roberto Romero, Doron Kabiri, Edgar Hernandez-Andrade, Percy Pacora,Offer Erez, Juan Pedro Kusanovic, Eunjung Jung,

Carmen Paredes, Stanley M. Berry, Lami Yeo, Sonia S. Hassan, Chaur-Dong Hsu, Adi L. Tarca, Am J Obstet Gynecol. 2020, PubMed PMID: 32918893.