IR@PKUHSC  > 北京大学公共卫生学院
Secular trends of macrosomia in southeast China, 1994-2005
Lu, Yanyu1,2; Zhang, Jun3; Lu, Xinrong1,4; Xi, Wei1,5; Li, Zhu1
WOS标题词Science & Technology
类目[WOS]Public, Environmental & Occupational Health
研究领域[WOS]Public, Environmental & Occupational Health

Background: The rate of macrosomia (birth weight >= 4, 000 g) increased over the past four decades in many parts of the world. Macrosomia is associated not only with higher risks of maternal and neonatal complications but also with health risks in adulthood. We examined trends in neonatal macrosomia and large-for-gestational-age (LGA) births among singleton, live, term and postterm births (>= 37 complete weeks′ gestation) in southeast China from 1994 to 2005 and explored possible causes of the temporal trends.

Methods: Data from Perinatal Health Care Surveillance System in 12 cities and counties in southeast China were analyzed for trends in birth weight, neonatal macrosomia and LGA from 1994 to 2005. A total of 594, 472 singleton live births were included. We conducted multiple logistic regression analyses to relate these trends to changes in maternal and pregnancy characteristics.

Results: The rate of macrosomia rose from 6.00% in 1994 to 8.49% in 2000 and then levelled off to 7.83% in 2005. Similar trends were observed in mean birth weight. The incidence of LGA births increased continuously from 13.72% in 1994 to 18.08% in 2000, but the LGA rate remained relatively stable from 2002 to 2005. There was a decrease in gestational age and a significant increase in frequency of prelabor caesarean delivery from 1994 to 2005. In an adjusted multivariable model, the increase in LGA rate from 1994 to 2000 was associated with increasing net gestational weight gain, maternal age, maternal height and maternal education. But they didn′t fully explain the increase. The trends of 2002-2005 LGA declined after adjusted for maternal and neonatal characteristics.

Conclusions: In southeast China, the incidence of macrosomia increased from 1994 to 2000 was mainly related to increasing net gestational weight gain. The incidence of macrosomia has levelled off in recent years partly due to increasing use of prelabor caesarean delivery and earlier delivery and partly due to moderation of gestational weight gain.

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作者单位1.Peking Univ, Hlth Sci Ctr, Sch Publ Hlth, Beijing 100191, Peoples R China
2.Capital Inst Pediat, Beijing 100020, Peoples R China
3.Shanghai Jiao Tong Univ, Sch Med, MOE Shanghai Key Lab Childrens Environm Hlth, Xinhua Hosp, Shanghai 200092, Peoples R China
4.Chinese Jilin Ctr Dis Control & Prevent, Changchun 130062, Peoples R China
5.Tianjin Med Univ, Sch Publ Hlth, Tianjin 300100, Peoples R China
Recommended Citation
GB/T 7714
Lu, Yanyu,Zhang, Jun,Lu, Xinrong,et al. Secular trends of macrosomia in southeast China, 1994-2005[J]. BMC PUBLIC HEALTH,2011,11.
APA Lu, Yanyu,Zhang, Jun,Lu, Xinrong,Xi, Wei,&Li, Zhu.(2011).Secular trends of macrosomia in southeast China, 1994-2005.BMC PUBLIC HEALTH,11.
MLA Lu, Yanyu,et al."Secular trends of macrosomia in southeast China, 1994-2005".BMC PUBLIC HEALTH 11(2011).
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