How to rule out pregnancy when menstruation is delayed

If female friends' menstrual period is delayed, the calculation of the safe period will not be so accurate. If they have sexual intercourse under this circumstance, it will increase the chances of successful conception. Therefore, contraceptive measures must be taken in advance to rule out pregnancy as much as possible. If no safety measures are taken, the only way to achieve this effect is through the use of some external contraceptives.

1. Safe period contraception method: contraceptive success rate is 70% to 80%.

That is, using the menstrual cycle calculation method, basal body temperature measurement method or cervical mucus observation method, etc., to grasp the ovulation period of women, choose to have sexual intercourse during the non-ovulation period (that is, the safe period) and not have sexual intercourse during the ovulation period to prevent pregnancy, so that the sperm and egg miss the meeting. For women with regular menstruation, ovulation occurs approximately 14-16 days before the next estimated menstruation. The 2-3 days before and after this date are unsafe, and the rest of the days are safe periods.

2. External contraceptives - including contraceptive creams and films: contraceptive success rate is 70%-80%.

Before sexual intercourse, roll the film into a ball and put it into the vagina. It will take effect after it dissolves.

3. Male condoms: contraceptive success rate 80% to 98%.

It is put on the man's genitals before sexual intercourse. This is the most commonly used method among young people. Its biggest advantage is that it does not interfere with women's physiology at all and can also prevent sexually transmitted diseases. The biggest obstacle to continued use is that no matter how the texture of the condom is improved, some people still feel that this film affects their best enjoyment of sex.

4. Liquid condoms: contraceptive success rate is over 96%.

Uses special thrusters. Three minutes before going to bed or having sex, inject 4.2 ml of the cream into the vagina at one time. The effect lasts for eight hours. This product has been tested by the National Family Planning Commission's Institute of Science and Technology and is found to kill 100% of human sperm within 1 minute. Women who wish to become pregnant are prohibited from using it. And follow the instructions!

5. Intrauterine device: contraceptive success rate is over 95%.

It is placed in the uterus by a doctor. Prevents the fertilized egg from implanting in the uterus. The placement and removal of the ring requires certain operations. After the placement of the ring, there may be a slight increase in weight, abdominal pain during menstruation, uterine perforation, or inflammation. It is mostly used for postpartum women. Newly married women who plan not to have children within 1-2 years can use "Maternal Joy".

6. Oral short-acting contraceptives: contraceptive success rate is 99.9%.

The first dose should be taken on the 1st to 5th day of the menstrual period, one tablet per day without interruption. The effect begins 14 days after taking it.

7. Contraceptive injection: contraceptive success rate is 99.9%.

Inject intramuscularly once a month. It reduces the trouble of daily use, but can easily cause irregular menstruation. It is best not to use it if you have not yet given birth.

8. Subcutaneous implant contraceptive: contraceptive success rate is 99.9%.

Make a half-centimeter cut under the skin of the upper arm and insert 2 or 6 small stick-like contraceptive pills in a fan-shaped pattern. These long-acting methods reduce the hassle of daily medication and the risk of pregnancy from missed doses. However, a considerable proportion of women will experience irregular menstruation or even serious disorders after using it, and will seek medical treatment again. Therefore, if you plan to have a child within a few years, it is best not to use it.