Why brow presentation

Patients should address specific medical concerns with their physicians. Toggle navigation. LAD Chapter. From Related Chapters. Page Contents Definitions Brow Presentation Head hyperextended, with brow as presenting part. Epidemiology Incidence : 0. During labour: In addition to the previous findings, vaginal examination reveals the following features: frontal bones, supra-orbital ridges, and root of the nose but not the chin.

Mechanism of Labour Persistent brow: The engagement diameter is the mento-vertical Transient brow: may occur during conversion of vertex into face presentation.

So if brow is flexed to become vertex or extended to become face it may be delivered. Some brow presentations will spontaneously convert to a vertex or, more rarely, a face presentation. When performing the caesarean section, an assistant must be ready to free the head by pushing it upward with a hand in the vagina. Both these manoeuvres pose a significant risk of uterine rupture.

See all in Getting Pregnant. See all in Pregnancy. See all in Preschooler. See all in Life as a Parent. See all in Video. You might also like You might also like. Are premature births becoming more common? Caesarean birth: what are the risks and benefits? How can I get through early labour at home?

How to help your baby be born Video.