One often reads the recommendation to carry out pregnancy tests in the morning. But why is that? And is it also possible to take the test during the day or in the evening? We have summarized all information.
Pregnancy tests measure the Concentration of HCG in the urine. HCG stands for “human chorionic gonadotropin” and is the so-called pregnancy hormone. It is formed right at the beginning of pregnancy and increases continuously. The concentration of the hormone is highest between the tenth and twelfth week of pregnancy.
Usually that is absence of menstruation the first sign that pregnancy might occur. From this point on, pregnancy tests are considered reliable. Then you can use the pregnancy test too at evening carry out.
However, many women who want to have children are impatient and already want to do a test before you miss your period. Then the HCG concentration in the urine is possibly still low. To get a reliable result it is recommended to Pregnancy tests in the morning to perform. The morning urine has collected in the bladder throughout the night and therefore has the highest HCG value over the course of the day.
Classic pregnancy tests show about 14 days after fertilization a safe result. You can already do some early tests 8 Roofs after fertilization – but the error rate with such early tests is significantly higher!
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Pregnancy test: negative in the evening, positive in the morning
Due to the fluctuations in the HCG concentration in the blood during the day, it can happen in the early stages of pregnancy that a pregnancy test is positive in the morning but negative in the evening. It is also possible that the second line on the pregnancy test in the evening will be weaker than in the morning.
If you want to carry out a test before the menstrual period has stopped, use a special one early test. These already react to low hCG concentrations of 10 mIU/ml, while other tests only react from 25 mIU/ml. Different test results in the morning and evening can also be due to the fact that you used different tests.
If a second line appears on the pregnancy test, whether it is in the morning or in the evening, there is a 99% chance that you are pregnant. If you are unsure, repeat the test the next morning. To be absolutely sure, consult your gynecologist. There, the pregnancy can be determined either by a blood test or (from the 5th/6th week) by ultrasound.
When should you do a pregnancy test? – Conclusion
Roughly speaking, you can use the following rules as a guide:
- Before you miss your period: Test in the morning with an early test
- After a missed period: Test in the morning or in the evening with a normal pregnancy test
- Less than 14 days since possible fertilization: Test in the morning with an early test
- More than 14 days since possible fertilization: Test in the morning or in the evening with a normal pregnancy test
