Baby’s Pregnancy Calendar

Note:

Starting about 2 weeks after fertilization, my right side can be distinguished from my left, and my head end from my lower back.

Label Key:

• 1. cross section of embryo
• 2. head end
• 3. left side
• 4. right side
• 5. end close to future lower back, sometimes called the "tail" end
• 6. plane of midline symmetry