A week after ovulation ovulation test paper or weak positive is mostly due to changes in hormone levels in the body. Female ovulation hormone levels increase, the use of ovulation test paper test will appear strong positive, wait until the hormone levels in the body after ovulation decline, the body luteinizing hormone decrease, the test paper will become a weak positive results, so ovulation test paper after a week of weak positive ovulation is generally a normal physiological phenomenon, do not need to be specially dealt with. Generally as long as the ovulation test paper has a strong positive appearance, weak positive after ovulation is normal, if the ovulation test paper has been weak positive results, no strong positive may be improper use of the test paper, ovulation test paper failure or no ovulation and other factors, but also need to be combined with ultrasound to monitor the follicular development and ovulation situation is normal, as well as to check the sex hormone six is normal. If you need to accurately monitor ovulation during the preparatory period, ultrasound can be used to clarify the situation.