DOI: 10.1055/s-00000142

Frauenheilkunde up2date

References

Valsky DV, Lipschuetz M, Bord A. et al.
Fetal head circumference and length of second stage of labor are risk factors for levator ani muscle injury, diagnosed by 3-dimensional transperineal ultrasound in primiparous women.

Am J Obstet Gynecol 2009;
201: 91.e1-91.e7
doi:10.1016/j.ajog.2009.03.028

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