Uterine contraction pain is a common problem after abortion. Optimal analgesic for such
suffering is still needed to be guaranteed. Flurbiprofen Axetil is a target-distributable
non-steroidal anti-inflammatory drug (NSAID) functioning via block the synthesis of
prostaglandin E (PGE). The investigators hypothesized that Flurbiprofen Axetil could suppress
the uterine contraction pain after abortion effectively.