(急問)落bb(墮胎) 後再用驗孕棒驗, 幾時先會顯示無bb(呈陰性反應)?

This topic is so good ar....

HCG level is used in pregnancy tests, if it is high... Have BB, Low = no BB

The HCG level decline rapidly at first and then decrease more gradually at a rate of about 50%every 2 days. some research say that at least 50% of women within a week of abortion(墮胎). HCG results may remain high (positive) for up to four weeks after an abortion.

That means the 孕棒驗 may remain +ve up to 4 weeks.

i hope it can help u.... try to see the information below......

http://www.questdiagnostics.com/kbase/topic/medtest/hw42062/consider.htm

and

http://www.prochoice.org/education/cme/online_cme/m4monitoring.asp

墮胎後已無需用驗孕棒驗,因為BB已落.都無BB,無需多此一舉.