Malpresentations and Positions & Operative Obstetrics
The incidence of breech at term is (LQ)
a. Researchers generally cite a breech presentation frequency at term of 3-4%. at the onset of labour though some claim a frequency as high as 7%.
b. When labour is premature, the incidence of breech presentation is higher.
c. At 28 weeks' gestation 25% of babies are breech, and the percentage decreases approaching term (40 weeks' gestation). Longitudinal lie is seen in 99.5% and 0.5% is transverse lie of all fetii in longitudinal lie, 96% are cephalic, 3% breech and 0.5% constitute the rest (brow, face)