Abortion or miscarriage.

spec. in Obstetrics; also elliptical for breech delivery n. at compounds 1a, breech position n., breech presentation n. at compounds 2b.

Birth of a still-born child; an instance of this. Also figurative. Also formerly, birth of a child alive or with a beating heart, but:not breathing.

a presentation (presentation, n. 7a) in which the buttocks are the nearest part of the fœtus to the os uteri.

A footling presentation (presentation, n. 7a) or delivery; a fetus presenting or delivered in this way.

Obstetr. (See quot. 1857 at sense 9.)

Obstetrics. Premature delivery or birth; the condition of an infant born before full term.

entanglement of twin fetuses by their heads and necks during delivery; = headlock, n.2 1.

in a breech presentation, any of the four possible orientations of the fœtus relative to the mother's pelvis.

Obstetrics. Entanglement of twin fetuses by their heads and necks during delivery; = head-locking n. at head, n.1 compounds 4. Now rare or disused.

= miscarriage, n. 4a.

The state of being postmature.

The premature separation of the placenta from the uterine wall during pregnancy, often resulting in haemorrhage.

A baby born prematurely.

a fœtus in the womb in a breech presentation.

Prematurity at birth. rare.