Chuni Neena, Chandrashekhar T S
Department of Obstetrics & Gynaecology, Manipal College of Medical Sciences, Pokhara, Nepal.
Kathmandu Univ Med J (KUMJ). 2009 Jul-Sep;7(27):209-12. doi: 10.3126/kumj.v7i3.2725.
An estimated 30 million abortions are performed worldwide every year. Many women do not have access to abortion and die of complications after illegal abortions. Medical abortion could provide greater access to safe abortion services; availability of the procedure is, therefore, of global public health importance.
The aim was to study the efficacy of lowered dose of Mifepristone in medical abortion.
One hundred and twelve cases with a pregnancy of 63 days duration or less were enrolled in a prospective study using a lowered dose of 200mg Mifepristone followed, 48 hours later, by home administration of 400microg Misoprostol orally. At the second visit, on day 15, outcome and adverse effects were analysed. Women who failed to undergo a complete abortion were further managed by surgical evacuation of uterus.
The mean gestational age was 50.6 days. The rates of complete abortion were 92.8%, 83 % and 80 % in the <or=49 days group, 50 to 56 days and 57 to 63 days group respectively. Vaginal bleeding emerged as the biggest reason for medically indicated termination. Nulliparous women had a greater frequency of side effects, though values did not reach statistical significance.
This regimen of a lower dose of 200mg Mifepristone, followed by home administration of 400microg oral Misoprostol 48 hours later is safe and highly effective especially in pregnancies of up to 49 days duration.
据估计,全球每年有3000万例堕胎手术。许多妇女无法获得堕胎服务,死于非法堕胎后的并发症。药物流产可以使更多人获得安全的堕胎服务;因此,该手术的可及性具有全球公共卫生重要性。
研究降低剂量米非司酮在药物流产中的疗效。
112例妊娠63天及以内的孕妇被纳入一项前瞻性研究,采用200mg降低剂量的米非司酮,48小时后在家口服400μg米索前列醇。在第15天的第二次就诊时,分析结局和不良反应。流产不全的妇女进一步接受子宫手术排空处理。
平均孕周为50.6天。妊娠≤49天组、50至56天组和57至63天组的完全流产率分别为92.8%、83%和80%。阴道出血是药物流产最主要的原因。未生育妇女的副作用发生率更高,尽管数值未达到统计学意义。
这种200mg低剂量米非司酮方案,随后48小时在家口服400μg米索前列醇是安全且高效的,尤其是对于孕周达49天以内的妊娠。