Pregnancy during ovulation is something that many people look forward to, but not everyone is able to get pregnant successfully. In fact, sometimes it is not easy to get pregnant even during the ovulation period. So why do some people still fail to get pregnant during their ovulation period?

1. Poor sperm quantity and quality: If the quantity and quality of sperm are not good enough, even if they are in the woman's body, they will not be able to combine with the egg, leading to pregnancy failure.

2. Female reproductive tract obstruction: The female reproductive tract may be affected by various factors, such as inflammation, tumors, deformities, etc., causing obstruction of the reproductive tract, preventing sperm from entering and combining with the egg.

3. Female endocrine abnormalities: Abnormal female endocrine function, such as irregular menstruation, may also lead to pregnancy failure.

4. Male sperm quality problems: If the quality of male sperm is not good enough, such as lack of motility, deformity, etc., then even if they are in the female body, they will not be able to combine with the egg, leading to pregnancy failure.

5. Physical health problems of both spouses: Physical health problems of both spouses, such as high blood pressure, diabetes, etc., may also lead to pregnancy failure.

Therefore, to successfully conceive, couples need to undergo a comprehensive physical examination to ensure the health of their bodies and reproductive tracts. In addition, couples also need to take appropriate reproductive measures, such as contraception and pregnancy monitoring, under the guidance of reproductive health experts. If the couple still cannot conceive, it is recommended that they consult a professional reproductive medicine doctor to find a more accurate cause and take corresponding treatment measures.