The baby is expelled when labour has sufficiently dilated the cervix in order to allow it to pass. The expulsion, facilitated by the uterine contractions and the voluntary abdominal contractions of the mother, lasts one half hour on average. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / QA International |
Bildgröße: | 5197 px × 3186 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |