Across
- 3. Starts at birth
- 5. 21 days of estrous
- 7. Levels of Estrogen during estrus
- 9. After birth
- 10. Constant estrus
- 11. Levels of Progesterone during estrus
- 12. Sperm production and estrous cycle begin
- 13. 16 days of estrous
- 15. Dogs
- 16. Where the fetus is developed
Down
- 1. Endometrium is expelled
- 2. Length of pregnancy
- 4. Giving birth
- 6. Mucous membrane lining the uterus
- 7. Estrogen & Progesterone
- 8. When a female is in heat
- 12. Several estrous cycles throughout the year
- 14. Length of egg production, reproductive cycle