Illustration of a fetus at week 23

Illustration of a fetus at week 13

Illustration of a fetus at week 29

Illustration of a fetus at week 38

Illustration of a human foetus, week 19.

Illustration of a fetus at week 7

Illustration of a fetus at week 22

Illustration of a fetus at week 12

Illustration of a fetus at week 9

Illustration of a fetus at week 31

Illustration of a fetus at week 11

Illustration of a fetus at week 16

Fetus at week 18, computer illustration.

Fetus at week 26, computer illustration.

Fetus at week 27, computer illustration.

Fetus at week 29, computer illustration.

Fetus at week 25, computer illustration.

Fetus at week 34, computer illustration.

Fetus at week 13, computer illustration.

Fetus at week 28, computer illustration.

Fetus at week 30, computer illustration.

Fetus at week 35, computer illustration.

Human fetus at week 15 of gestation, illustration

Human fetus at week 33 of gestation, illustration

Foetus at 19 weeks, artwork

Foetus at 19 weeks, artwork

Foetus at 19 weeks, artwork

Medical illustration of fetus development at 24 weeks.

Sagittal section of spinal cord at 12 weeks' gestation, showing the nerves, vertebral bodies, and cervical (pink), thoracic (orange), lumbar (yellow), sacral (brown), and coccygeal (green) segments.

Foetus at 7 weeks, artwork

Foetus at 13 weeks, artwork

Foetus at 16 weeks, artwork

Embryo at 5 weeks, artwork

Foetus at 6 weeks, artwork

Foetus at 8 weeks, artwork

Foetus at 6 weeks, artwork

Illustration of a fetus at week 19