节育环避孕方法是为广大妇女所欢迎的,但是因为放环后,环的脫落及带环受孕仍有发生,因此使节育环在群众中被怀疑。环脫落最早的有在放环后1—2天即脫出,有的在第一次月經后。如果放环在一年以上未脫落,則脫落的机会相对减少。放环:根据带环受孕者于人工流产前作X綫透視常发現环位降低,于人工流产手术时探查宮腔也发現环已下降至宮頸管內口或宫颈口,使我們考虑环的近期脫落与放环 Birth control ring contraceptive methods are welcomed by the majority of women, but because the release of the ring, the ring off and ring pregnancy still occur, so the ring is suspect in the masses. Ring the earliest in 1-2 days after the ring is prolapse, and some after the first menstruation. If you put the ring more than a year did not fall off, the chance of shedding is relatively reduced. Release ring: According to the ring with prenatal abortion pregnant women before the X-ray fluoroscopy often found to reduce the ring, in the exploration of the uterus during induced abortion also found that the ring has dropped to the mouth of the cervix or cervix mouth, so we consider the ring Recently off and put the ring