Usually, pregnancy can be detected in 35-40 days. Pregnancy detection with early pregnancy test is mainly to detect chorionic gonadotropin in the urine. This hormone is secreted by the fertilized egg formed after the union of sperm and egg, and is produced by the chorionic villi of the embryo at the earliest stage and secreted by the placenta at a later stage after the formation of the placenta. Chorionic gonadotropin is secreted between 10 and 14 days after conception. The number of days of pregnancy is calculated from the first day of the last menstrual period. 10-14 days of conception is 35-40 days of pregnancy, when pregnancy can be detected by the early pregnancy test. In a few cases, pregnancy can be detected about 7 days after the fertilized egg has been laid, i.e. 30 days after conception. For those who have irregular periods, ovulation may be delayed and it may take longer to test. If the test is negative, you can retest after a few days. It is better to use morning urine to test with higher accuracy.
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