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Cervical Effacement and Dilatation

First stage of labor in vaginal birth, thinning of the cervix and dilation to 10 cm, labeled diagram.

Image size: 17.5 Mpixels (50.1 MB uncompressed) - 5001x3501 pixels (16.6x11.6 in / 42.3x29.6 cm at 300 ppi)