Reproduction Terms Puzzle

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Across
  1. 5. Removal of female reproduction organs
  2. 7. Age at which animals reach sexual maturity and are able to reproduce
  3. 8. The first milk produced after a mammal gives birth that contains antibodies needed for immunity
  4. 9. Process of embryo developing
  5. 12. When a female is receptive to be bred
Down
  1. 1. Release of the egg from the ovary
  2. 2. Union of sperm and egg
  3. 3. The period of pregnancy
  4. 4. Act of giving birth
  5. 6. When milk is being produced
  6. 10. Removal of testicles in males to prevent breeding
  7. 11. Cycle The length of a female's cycle from one istrus to the next