1. Some girls may first ovulate even before they menstruate.

2. Women who do not ovulate regularly have difficulty in becoming pregnant.

3. Some women take drugs to help them ovulate.

4. She doesn't begin to ovulate until she has been mated and will not become fertile for another two or three days.

5. Women ovulate about once every month.

6. Female pandas ovulate only once a year, in the spring.

6. try its best to gather and make good sentences.

7. The rolling is what stimulates her to ovulate; if she doesn't roll, she can't take.

8. Some women ovulate irregularly because their pituitary glands secrete too much prolactin.

9. After menstruation has finished, they could either remain caffeine-free or drink only small amounts until they ovulate again.

10. In vitro fertilization can restore fertility to women who ovulate but can not conceive because their Fallopian tubes are blocked.

11. Indeed, in some species such as rabbits, the very act of mating induces the female to ovulate.

12. You can use these types of natural family planning to predict when you'll ovulate — and when you need to avoid unprotected sex if you don't want to conceive.

13. Compared to the unstressed monkeys(), they were much less likely to ovulate.

14. Gonadotropins are used to induce follicular development and ovulation in women who do not ovulate.

15. As you reach your 30s, your eggs may decline in quality and you may ovulate less frequently, even if you're still having regular periods.

16. Your body makes more of an important hormone called progesterone after you ovulate.

17. It is used as an herbal treatment for infertility and is especially helpful for women with irregular cycles, failure to ovulate, or a short luteal phase.

18. The Y-chromosome, which carries the genes for maleness, comes from the father, so it cannot be the case that the mother is failing to ovulate "male" eggs.

19. To use the rhythm method, you simply track your menstrual history to predict when you'll ovulate.In turn, this may help you determine when you're most likely to conceive.

20. The sub-tropical winter weather has no apparent inhibition for the growth and development of the ovulate strobilus in Pinus massoniana.

21. By tracking your basal body temperature each day, you may be able to predict when you'll ovulate.

1. Some girls may first ovulate even before they menstruate.