Plate 1 – External view of the female Pelvic Region.

Plate 2 – Arrangement of muscles in the lower abdomen. Plate 3 – Uterus and its appendages, after removal of the front of the Abdomen.

Plate 6 – Section of the uterus, with an Embryo in the third to fourth week of Pregnancy. Plate 7 – Section through the Uterus, in the eight to ninth week of pregnancy.

Plate 8 – Embryo at the third to fourth month. Plate 9 – The end of the eighth month of pregnancy. The back of the child is to the right, and the head is just engaged in the pelvis.

Plate 10 – The end of the pregnancy in multipara, with the uterus relaxed. The back of the child is to the right and posterior (R. O. P.). The head is engaged in the pelvis. Plate 11 – Sagittal section of the uterus, showing a head presentation in the period of dilation during a contraction. The back of the child is forward and to the left. The cervical canal becomes opened up from within outwards during a pain; the bag of waters is projecting into the canal.

Plate 12 – Head presentation in the stage of dilation during a pause in the contractions. Plate 13 – First position of the head (L. O. A.) after rupture of the bag of waters.

Plate 14 – Expulsion of the head during a strong contraction (side view). Plate 15 – Expulsion of the head during a strong contraction (front view).