Can pregnancy be detected in the first 20 days?

When you are just pregnant, you can also use some methods to detect whether a woman is pregnant. In fact, women can judge whether they are pregnant, because in the early stages of pregnancy, women's menstruation will stop. If a woman with a very regular menstrual period delays her menstruation by three or four days, she may be pregnant. Because of pregnancy, women will become more frequent in urination, sleepy, and have a higher body temperature. So can you detect whether you are pregnant in 20 days?

Can pregnancy be detected in the first 20 days?

It takes 7 to 8 days for the fertilized egg to swim from the abdominal wall of the fallopian tube to the uterus and implant in the mother's body, which is when it is called conception. Therefore, it takes at least 7-8 days from fertilization to pregnancy, but no more than 9-10 days, because if it exceeds 10 days, the corpus luteum will retreat, progesterone will withdraw, and menstruation will come again. Human chorionic gonadotropin (HCG) is a glycoprotein hormone produced in the body of pregnant women and exists in large quantities in the blood and urine of pregnant women.

HCG begins to be secreted on the 6th day after the egg is fertilized and can usually be detected after 11 days. In early pregnancy, the secretion of HCG increases rapidly, doubling in about 1.7-2 days, while HCG cannot be detected in the urine of normal non-pregnant women. Therefore, detecting HCG in urine is a reliable indicator for determining pregnancy. If you are newly pregnant, it is more accurate to use morning urine. Generally, a check-up two weeks later can confirm whether you are pregnant. After the sperm and egg meet, it can be shown in the HCG in the blood. So afterwards, just go to the obstetrics and gynecology department of the hospital to check a blood HCG test. Therefore, a blood HCG test can be performed about 9-11 days after having sex during the ovulation period to confirm whether you are pregnant. Generally, an early pregnancy test can be used to detect whether you are pregnant one week after your period is delayed. An early pregnancy test or B-ultrasound examination 35 days after conception can confirm whether you are pregnant.

What is the safe period?

Except for the menstrual period and ovulation period, the rest of the time is the safe period for women. Generally speaking, if a woman has a normal menstrual cycle of 28 days, the seven days before and eight days after the first day of menstruation is the safe period. This method is not advisable for women with irregular menstrual cycles. Women's safe period is mainly calculated based on ovulation period and menstrual cycle. In addition to the calendar method, the safe period can also be calculated by measuring basal body temperature and observing secretions. Combining the above three methods to calculate the safe period can improve the accuracy. It is worth noting that the safe period is not absolutely safe. Sometimes women ovulate earlier or later, and the judgment of the safe period becomes invalid at this time.