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| 年龄在14-17岁的孕妇会有更高的早产风险与胎儿低出生体重的风险，特别是在怀第二胎的时候。研究人员在开源
期刊BMC妊娠与生产上撰文阐明的同时也呼吁在未成年人第一次生产后加强健康教育与避孕措施。 爱尔兰Cork大学的Ali Khashan领衔的团队调查了2004年1月到2006年12月英国西北部的活产一胎的所有14-29岁的女性。研究人员将其按生产时的年龄分为 14-17岁的3636人、18-19岁的7506人、20-29岁的45211人。未成年人怀孕的比例随着社会离群的增多而增多，比如，超过1/3的未 成年母亲来自高社会离群性的地区。未成年母亲更多地低体重以及来自白人种族背景。在未成年时生产的女性处于很高的早产与超早产的风险。未成年中年纪越小的 风险越大，14-17岁组中第二胎时的风险比第一胎高。 谈到这些结果，Khashan说道：“这种不好的怀孕结果的高风险很有可能与生物学上的不成熟有联系，第二胎比第一胎的风险高有可能和多种复杂因素如严重 的社会离群与缺乏产前保健。” 领导这项研究的Cork大学妇产科医院健康研究部临床科学家与妇产科顾问Kenny教授说道“这些结果提醒我们保证怀孕的未成年人有合适的产前保健的重要 性。另外这种保健很重要的一个组成部分是预防未成年人第二胎不良结果发生的高风险。第一胎时可能是这些未成年母亲第一次也是唯一一次与健保机构的交流，这 个干预的机会不应被忽视” ---------------------------------------------------------------------------------------------------------------------------- 医学岛推荐原文： http://www.sciencedaily.com/releases/2010/07/100708193446.htm Pregnant women aged 14-17 years are at higher risk of preterm birth and of having a child with low-birth-weight, especially if they are having their second child. Researchers writing in the open access journal BMC Pregnancy and Childbirth demonstrate this association and call for better health education and the promotion of contraception after a teenager has given birth for the first time. Ali Khashan, from University College Cork, Ireland, worked with a team of researchers to study all 14-29 year-old women who had a live baby in the North West of England between January 2004 and December 2006. The researchers identified 3,636 people who were between 14 and 17 at the time of birth, 7,506 who were aged between 18 and 19, and 45,211 who were 20 to 29. The rates of teenage pregnancy increased with increasing social deprivation such that more than one third of the teenage mothers came from the most socially deprived areas. Teenage mothers were more likely to be underweight and of white ethnic background. Women who gave birth during the teenage years were at increased risk of preterm and very preterm delivery. This risk was higher for younger teenager mothers than for older teenagers and in the 14-17 group the risk was greater in second pregnancies than in first. Speaking about the results, Khashan said, "It is possible that the increased risk of poor pregnancy outcome is related to biological immaturity. It is also possible that the increased risk of poor pregnancy outcome in the second teenage pregnancy is related to numerous complicating factors such as greater social deprivation and less prenatal care." Professor Kenny, a Health Research Board clinician scientist and consultant Obstetrician and Gynaecologist at Cork University Maternity Hospital, who led the study, said, "These results highlight the importance of ensuring pregnant teenagers have appropriate antenatal care. Moreover a vital component of this care is post-natal contraception to prevent a second teenage pregnancy with potentially higher risks of adverse outcomes. A first pregnancy may be the first and only time a pregnant teenager interacts with health services and this opportunity should not be overlooked." |
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