1. Births: final data for 2013. National vital statistics reports;Martin;Natl Center Health Statistics,2015
2. Is it time for outpatient cervical ripening with prostaglandins?;Grobman;BJOG,2015
3. The unfavorable cervix in prolonged pregnancy;Harris;Obstet Gynecol,1983
4. ACOG Practice Bulletin No. 107: induction of labor;ACOG Committee on Practice Bulletins—Obstetrics;Obstet Gynecol,2009
5. Transcervical Foley catheter for preinduction cervical ripening in an outpatient versus inpatient setting;Sciscione;Obstet Gynecol,2001