Across
- 1. the baby dies during/after birth
- 5. the baby dies during pregnancy
- 6. a woman carries a baby for another woman
- 8. video image of an unborn baby
- 9. the developing baby in the third week
- 12. serious problems that threaten the baby's health
- 14. twins that have different characteristics
- 15. the lining of the uterus thickens
- 16. the inability to become pregnant
Down
- 2. twins that have the same characteristics
- 3. the stronger gene
- 4. when the baby's head is not facing downward
- 7. giving birth to more than one baby
- 10. the weaker gene
- 11. the ovum is donated by another woman
- 13. blood test performed on an expecting mother