title: A reply.
authors.affiliation: Chelsea and Westminster Hospital NHS Foundation Trust, London, UK.
authors.forename: N
authors.initials: N
authors.lastname: El-Wahab
authors.forename: R
authors.initials: R
authors.lastname: Fernando
authors.forename: M O
authors.initials: MO
authors.lastname: Columb
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects*; D016362:Analgesia, Obstetrical / Q000009:adverse effects*; D001034:Apgar Score; D004359:Drug Therapy, Combination / Q000009:adverse effects*; D005260:Female; D006340:Heart Rate, Fetal / Q000187:drug effects*; D006801:Humans; D011247:Pregnancy; D014470:Umbilical Cord / Q000187:drug effects*