Can I detect pregnancy with a test strip if my period is delayed for three days?

Can I detect pregnancy with a test strip if my period is delayed for three days?

For many couples who are preparing for pregnancy, they really want to know whether they are pregnant, so they will pay special attention to this matter. Once a woman's menstruation is delayed, they will test whether she is pregnant. Even if a woman's menstruation is normal and accurate in daily life, when a woman's menstruation is delayed for three days, it may not be detected whether she is pregnant.

Can I detect pregnancy with a test strip if my period is delayed for three days?

If your menstruation is normal but is delayed for 3 days, even if you are pregnant, it is difficult to detect the pregnancy using urine HCG clinically. If you draw blood for HCG testing, you can detect whether you are pregnant. Because it takes about half a month for the fertilized egg to enter the uterine cavity and implant from the moment of fertilization, and the trophoblast cells begin to secrete blood HCG after implantation, so if the menstruation is just delayed for 3 days, it is difficult to detect whether you are pregnant through urine HCG. Only a blood test for blood HCG can detect whether you are pregnant. If the blood HCG level is greater than 50mIU/mL, it indicates pregnancy. Therefore, it is best to draw blood for testing, which will give the correct result.

Methods of detecting pregnancy

Blood hCG test:

"Quantitative" testing of hCG values ​​through blood can respond to pregnancy more sensitively and accurately than the ordinary "qualitative" testing of urine with early pregnancy test strips, with an accuracy rate of over 99%. In addition, for multiple pregnancies, ectopic pregnancies, abnormal fetal developmental delays, hydatidiform mole, certain endocrine diseases or tumors, the blood hCG value can be combined with the clinical condition and other examination results, and a correct judgment can often be made through comprehensive analysis.

Urine hCG test:

The urine hCG pregnancy test method is to determine whether a woman is pregnant by detecting whether hCG is contained in her urine. In order to improve accuracy and reduce errors, it is best for female friends to go to the hospital for blood hCG testing.

Ultrasonic testing:

Some women mistakenly believe that they can use ultrasound (B-ultrasound) to check if they are pregnant. In fact, they need to wait until about 5 weeks of pregnancy to see whether there is a blastocyst remaining in the uterus. Ultrasonic testing can not only detect the growth of the blastocyst, but also check whether there is a possibility of ectopic pregnancy.

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