for: Postdate/post-term pregnancy Nulliparity (no previous vaginal deliveries) PPROM; preterm premature (prelabor) rupture of membranes See also List of obstetric topics Fetal fibronectin (fFN) Apgar score References External links Online calculator of the Bishop score Diagnostic obstetrics and gynaecology Obstetrics Medical assessment and evaluation instruments Midwifery Medical mnemonics