据最近《新英格兰学院杂志》报道,一种叫RU486的药物只要在停经后十天内服用,便能使已怀孕一个月的妇女中止妊娠。该药安全、有效,很少副作用。在法国此塞特医院库西内医生的指导下,一百名怀孕不足月的妇女自愿接受了服药试验。其中八十五名孕妇在四天内就堕胎了。不象其它流产方法,服该药后一般无不适感觉和心理负担。由于药效显著,法国和瑞典都可能在今春前批准使用该药。RU486作用于宫内孕激素受体。孕激素有助于受精卵在子宫内膜里着床。使用该药后,孕激素的活动受阻,结果胚胎随着子宫内膜剥落而被排出体外,就象正常月经时未受精卵被排出体外一样。虽然经血 According to a recent “New England College Journal,” a drug called RU486 discontinues pregnancy in women who have been pregnant for as long as they take it within ten days of menopause. The drug is safe, effective and has few side effects. Under the guidance of Dr. Cousinne of The Seth Hospital in France, a hundred women of underage pregnancies volunteered to take their medication. Eighty-five pregnant women have abortions within four days. Unlike other abortion methods, after taking the drug generally no discomfort and psychological burden. Due to significant efficacy, France and Sweden are likely to approve the use of the drug by this spring. RU486 role in intrauterine progesterone receptor. Progestin helps fertilize the egg in the endometrium. After using this medicine, the activity of progesterone is blocked. As a result, the embryo is excreted as the endometrium is exfoliated, just as the unfertilized egg is excreted during normal menstruation. Although menstrual blood