Ultrasound scan of a foetus at 10 weeks. At this stage internal sexual differentiation takes place but external differences are not yet obvious. On average, foetuses measure 3 centimetres in length at 10 weeks of pregnancy. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / RAJAAISYA |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |