Soapy water will not make a pregnancy test turn into two bars. Pregnancy test is to detect the amount of HCG (human chorionic gonadotropin) in the urine, there will be a certain amount of HCG in the urine only after pregnancy, the use of pregnancy test can be measured with two bars. Soapy water is mainly weakly acidic or strongly alkaline, has the effect of removing stains and grease, does not contain HCG, the pregnancy test stick in the soapy water will not turn into two bars. Women who usually have sex after menopause in order to clarify whether the pregnancy, you can use a pregnancy test with morning urine test, if there are two bars, indicating that the possibility of pregnancy is very high, you need to go to the hospital to take a blood test HCG to further confirm the diagnosis. After determining that you are pregnant, you need to go to the hospital for an ultrasound around 40 days after menopause to determine whether the development of the gestational sac is normal.