For female friends, menstruation is a familiar thing, and they may feel a lot of discomfort during menstruation. But female friends who want to get pregnant often need to pay attention to the timing of their menstrual period. Do you know the reason why pregnancy was not detected three days before their period? Follow the editor to take a look.
Reason for not detecting pregnancy three days before menstruation
The probability of being measured three days before menstruation is very small, and it can only be measured after one month of pregnancy when there is a delay in menstruation. It may take more than forty days for it to be measured later. The two tests with a pregnancy test stick show two lines, indicating that you are pregnant. Mom may ovulate and implant early. Some mothers can detect it during this period, while others may need to wait for a pregnancy test later to detect it. If mom wants to confirm early, she can go to the hospital for a blood HCG test, which can accurately detect whether she is pregnant. Of course, it is also necessary to listen to the doctor's opinion.
Methods for detecting pregnancy
1. Basal body temperature measurement. Every morning after waking up, bed rest and measure body temperature, which is called basal body temperature. The body temperature before ovulation is generally around 36. Below 5 degrees, after ovulation, progesterone increases and acts on the temperature center, causing a 0% increase in body temperature. 3-0. 5 degrees. If the egg fails to fertilize, the progesterone will decrease and the body temperature will return to normal after about a week.
2. Early pregnancy test strips. On the seventh day of pregnancy, a specific hormone, human chorionic gonadotropin (HCG), can be detected in the urine of women, which is beneficial for maintaining pregnancy. In general, when urine is dropped into the detection hole on a test strip, if a colored band appears in the control area of the test strip (some test strips appear red, while others appear blue), it indicates non conception. Conversely, if a clear colored band appears in the detection area, it indicates positivity and pregnancy.
3. B-ultrasound examination. Using ultrasound to diagnose early pregnancy is the most accurate and reliable method. On the B-mode ultrasound screen, a circular halo, also known as the gestational ring, can be displayed inside the uterus. The dark area inside the ring is amniotic fluid, and rhythmic fetal heartbeat can also be seen.
I believe that after reading this article, female friends will have a clear understanding of the reasons why pregnancy was not detected three days before their period. It is possible that the accurate measurement time has not yet arrived, so there is no need to worry. And for more accuracy, we can go to the hospital for HCG testing, which is more scientific.
