Incidence
- 20/40-25/40 weeks; 30-40%
- 32/40 weeks; 20%
- 38/40 weeks; 7%
- 40/40 weeks; 2-5%
The incidence of breech presentation as described implies that a much larger proportion of premature babies will be a breech presentation. Spontaneous reversion from cephalic to breech is rare.
Reference
- Scheer K, Nubar J. Variation of fetal presentation with gestational age. Am J Obstet Gynecol. 1976 May 15;125(2):269-70.
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