The ovulation test paper changes from strong positive to weak positive. Does it mean ovulation?

In order to increase the chance of pregnancy, couples who are preparing for pregnancy will buy ovulation test strips to check the woman's ovulation period, and have sex during the ovulation period. So how do ovulation test strips detect ovulation? If the ovulation test paper changes from strong positive to weak positive, does it mean that it is the ovulation period?

The basic principle of ovulation test paper

Simply put, eggs develop and mature under the action of two hormones, one of which is luteinizing hormone (LH). Within 24 hours before ovulation, LH will reach a peak, and it will definitely occur. Therefore, we use ovulation test strips to detect this peak period. When the color of the second line of the pregnancy test paper is close to, the same as, or higher than the color of the first line, you know that ovulation will occur in 24 hours. Very visual, clear, and with plenty of time to prepare.

It should be noted that the appearance of two lines (i.e. positive) does not necessarily mean ovulation. There are also weak positive and strong positive. Only when there is a strong positive (i.e. the two lines are similarly dark or the test line is darker than the comparison line) does it indicate ovulation within 24-48 hours. Therefore, if a strong positive result occurs, test twice or more per day. If the color starts to fade, then the last measurement was the peak.

If the ovulation test paper turns from strong positive to weak positive, is it the ovulation period?

When the ovulation test paper tests a strong positive, it indicates that the egg is ready to ovulate. Of course, after the ovulation test paper is positive, it does not mean that ovulation occurs immediately, but ovulation may occur at any time within 48 hours. Usually, it happens within 24 hours.

In addition, ovulation usually occurs at the moment when strong positive turns to weak positive. In other words, after using the ovulation test paper to measure a strong positive, if a weak positive is measured immediately afterwards, it means that ovulation has occurred. Use the pregnancy test paper again the next day. If the test shows negative all the time, it means ovulation has occurred.

At this time, if conditions permit, you should use an ovulation test strip every 4 hours to accurately capture the time of ovulation. After the ovulation test paper shows that the strong positive turns into a weak positive, you should have sex immediately, so the chance of pregnancy will be very high.

Common problems with using ovulation test strips

After a strong positive result, test the ovulation test strip again. Don't be afraid to waste pregnancy test strips. Keep testing until the result is negative. You can rest for a few days now, and start testing the ovulation test strips every day 10 days after the ovulation period. If a strong positive result is found, the hope of assisted pregnancy will increase. If a girl needs to do an ultrasound test, it is best to go to the hospital for an ultrasound immediately if the ovulation test paper is positive.

Have sex as soon as possible after you notice a strong erection. If the ovulation test paper is used correctly, the predicted ovulation period can be checked by looking at the ovulation test paper, and sex can be performed as soon as possible after a strong positive result is found. There are many factors that affect the body temperature during ovulation. By the time you realize that your normal body temperature has risen, it is already ovulation and it may be too late to have sex. If you find that the ovulation test paper has been strongly positive for several times, you need to combine it with the ovulation temperature. If the body temperature rises after the ovulation test paper is strongly positive, it means that you have ovulated.

Theoretically, male sperm can survive in the female reproductive system for up to 72 hours, so if you have sex 2 days before ovulation, pregnancy is theoretically possible. However, in fact, the survival time of male sperm in the female reproductive system depends on the natural environment in the female reproductive system, which may affect the sperm motility and survival time, thereby affecting the fertilization ability. Ovulation generally occurs after the highest LH value, so it is recommended to have sex after the ovulation test paper is positive.