据统计,全世界范围妊娠并发妊娠期高血压疾病,包括子痫前期达10%。[5]American Congress of Obstetrics and Gynecology (ACOG) Task Force on Hypertension in Pregnancy. Hypertension in pregnancy. 2013 [internet publication].https://www.acog.org/Resources-And-Publications/Task-Force-and-Work-Group-Reports/Hypertension-in-Pregnancy 6% 的孕妇出现妊娠期高血压。[58]Yoder SR, Thornburg LL, Bisognano JD. Hypertension in pregnancy and women of childbearing age. Am J Med. 2009;122:890-895.http://www.ncbi.nlm.nih.gov/pubmed/19786154?tool=bestpractice.com 相对于白人妇女,黑人和拉丁美裔妇女妊娠期高血压进展为子痫前期/子痫的风险更大。[13]Bryant AS, Seely EW, Cohen A, et al. Patterns of pregnancy-related hypertension in black and white women. Hypertens Pregnancy. 2005;24(3):281-90.http://www.ncbi.nlm.nih.gov/pubmed/16263600?tool=bestpractice.com[14]Tanaka M, Jaamaa G, Kaiser M, et al. Racial disparity in hypertensive disorders of pregnancy in New York State: a 10-year longitudinal population-based study. Am J Public Health. 2007 Jan;97(1):163-70.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1716255/http://www.ncbi.nlm.nih.gov/pubmed/17138931?tool=bestpractice.com[59]Barton CB, Barton JR, O'Brien JM, et al. Mild gestational hypertension: differences in ethnicity are associated with altered outcomes in women who undergo outpatient treatment. Am J Obstet Gynecol. 2002;186:896-898.http://www.ncbi.nlm.nih.gov/pubmed/12015506?tool=bestpractice.com