Pregnancy: First Trimester

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Across
  1. 2. organ filled with blood vessels that nourish the baby in the uterus
  2. 3. What month are veins are clearly visible.
  3. 4. At one month the heart has begun beating but no bigger than a _ seed.
  4. 5. Pregnancy is split into three _.
  5. 9. What month do all organs and muscles have formed and are beginning to function.
  6. 10. Sac What provides nutrients before the placenta takes over?
  7. 12. the baby, removes waste
  8. 14. A fluid-filled sac that surrounds the baby in the uterus.
  9. 15. Cord connects the baby to the placenta
  10. 16. One implanted egg that splits into two eggs forms _ twins.
Down
  1. 1. How many weeks is a full-term pregnancy?
  2. 2. Fatigue is a _ symptom.
  3. 4. What is the development of a baby during the period before birth?
  4. 6. Two eggs that are separately implanted at the same time to create different genetic materials forms _ twins.
  5. 7. what stage is the first 2 weeks of pregnancy?
  6. 8. The baby now receives good and harmful substances from the mother through the _ cord.
  7. 11. At three months the fetus is _ inch long.
  8. 13. Which trimester is the most critical?