关键点：Testpaperforpregnancyhascertainaccuracy.Usingmorningurinefortestingwiththetestpaperhasarelativelyhigheraccuracyrate.Todeterminepregnancy,bloodtestinhospitalhasahigheraccuracy.1.Testingmorningurine:Whenusingearlypregnancytestpapertocheckforpregnancy,itisbesttousemorningurinebecausetheconcentrationofchorionicgonadotropininmorningurineisrelativelyhigh.Ifnotusingmorningurine,especiallywhenthenumberofdaysofpregnancyisrelativelyshort,theaccuracyratewillbelower.2.Bloodtest:Todeterminepregnancyasearlyaspossible,onecangotothehospitalforabloodtestmethod,mainlytotestthevalueofHCGintheblood.Thistestmethodhasaveryhighaccuracyrate,andonecangotothehospitalforexaminationabout10daysafterintercourse.Nomatterwhetherusingtheearlypregnancytestpaperorbloodtest,itcannotdeterminewhetheritisanintrauterinepregnancy.B-ultrasoundexaminationisneededatabout6weeksofpregnancy.OnlythroughB-ultrasoundexaminationcanitbedeterminedwhetheritisanintrauterinepregnancyandthedevelopmentsituationofthegestationalsac,soB-ultrasoundexaminationisalsoaveryimportantexaminationitemintheearlystageofpregnancy.
尾段总结：总之，试纸测试怀孕有一定准确性，晨尿测试准确率较高，医院抽血化验准确率更高，且这两种方法都不能确定是否宫内孕，需怀孕6周左右通过B超检查来确定，B超检查在怀孕早期十分重要。