3Bemis K, Gille J. Placental pathology and asphyxia [ M ] // Gluck L. Intrauterine asphyxia and the developing fetal brain. Chicago (IL) : Yearbook Medical Publishers, 1977:123.
4Bemischke K, Kaufmann P. Pathology of the human placenta [M]. 4th ed. New York (NY): Springer; 2000:132.
5Ananth CV, Oyelese Y, Prasad V. Evidence of placental abruption as a chronic process : Associations with vaginal bleeding early in pregnancy and placental lesions [ J ]. European Journal of Obstetrics & Gynecology and Reproductive Biology,2006,128: 15-21.
6Cunningham FG. Williams Obstetrics [M]. 22nd ed. New York (NY) : McGraw-Hill, 2005 : 811-819.
7The Magpie Trial Collaborative Group. Do women with pre-eclampsia, and their babies, benefit from magnesium sulphate? The Magpie Trial: a randomised placebo-controlled trial [ J ]. Lancet,2002,359 : 1877-1890.
8Kupferminc M J, Eldor A, Steinman N, et al. Increased frequency of genetic thrombophilia in women with complications of pregnancy[J]. N Engl J Med, 1999,340:9-13.
9Prochazka M, Happach C, Marsal K, et al. Factor V Leiden in pregnancies complicated by placental abruption [J]. BJOG, 2003,110:462-466.
10Dizon-Townson D, Miller C, Sibai B, et al. The relationship of the factor V Leiden mutation and pregnancy outcomes for mother and fetus[J]. Obstet Gynecol,2005,106:517-524.
6Davenport WB,Kutteh WH.Inhefited Thrombophilias and Adverse Preg- nancy Outcomes: A Review of Screening Patterns and Recommendations[J]. Obstet Gynecol Clin North Am,2014,41(1):133-144,.
7Stanek J,Biesiada J,Trzeszcz M.Clinicoplacental phenotypes vary with gestational age: An analysis by classical and clustering methods[J].Acta Obstet Gynecol Scand,2014,8(10):216-217.
9Schleussner E,Lehmann T,Kahler C.Impact of the nitric oxide-donor pentaerythrityl-tetranitrate on perinatal outcome in risk pregnancies: a prospective, randomized, double-blinded triall[J]. J Perinat Med,2014 , 14(19):162-163.