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J Obstet Gynaecol Res. 2008 Dec;34(6):986-93. doi: 10.1111/j.1447-0756.2008.00804.x.

Comparison of maternal and newborn outcomes of Tibetan and Han Chinese delivering in Lhasa, Tibet.

Author information

  • 1Bixby Center for Global Reproductive Health, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, CA 94105, USA. suellenmiller@gmail.com

Abstract

AIM:

To compare maternal and neonatal outcomes of Tibetan and Han Chinese women delivering vaginally at high altitude (3650 meters) in Lhasa, Tibet Autonomous Region, People's Republic of China.

METHOD:

Comparative analysis of data from a prospective observational study of Tibetan (n = 938) and Han Chinese (n = 146) women delivering at three hospitals between January 2004 and May 2005.

RESULTS:

Han Chinese women had higher rates of pre-eclampsia/gestational hypertension than Tibetan women, (10.3% vs 5.9%, P = 0.04). There was no difference in rates of postpartum hemorrhage between Tibetan and Han women (12.8% vs 17.1%, P = 0.15). Han newborns weighed significantly less than Tibetan newborns (P < 0.01), and were twice as likely to be small for gestational age, (24.5% vs 11.6%, P < 0.01). Tibetan newborns were less likely to have poor neonatal outcomes than Han newborns (P < 0.01).

CONCLUSION:

In high altitude deliveries in Tibet, adverse outcomes were significantly more common among Han Chinese.

PMID:
19012697
[PubMed - indexed for MEDLINE]
PMCID:
PMC2789738
Free PMC Article
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