Foetus at 15 weeks (second trimester),ultrasound scan. The foetus' head is at left. Ultrasound scanning uses high-frequency sound waves to create an image of an internal structure. Foetal ultrasound scanning is routine during pregnancy | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Layyous, Dr. Najeeb |
Bildgröße: | 3189 px × 2837 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |