Korean J Perinatol.  2006 Dec;17(4):397-404.

The Outcome of Pregnancy Combined with Idiopathic Thrombocytopenia Purpura and the Effect of Pregnancy on the Severity of This Disease

  • 1Department of Obstetrics and Gynecology, College of Medicine, The Catholic University of Korea, Seoul, Korea. jiyoungk@catholic.ac.kr


The incidence of idiopathic thrombocytopenic purpura (ITP) is greatest in female during their childbearing years, so the concurrence of pregnancy and ITP is not unusual. Numerous studies have examined the outcomes of newborns, whereas fewer studies have been conducted with regard to the morbidity of obstetric patients with ITP. This study was aimed to find the outcome of pregnancy combined with ITP and the influence of the pregnancy on the severity of this disease.
From January 1996 to December 2005, a total of 62 pregnant women with ITP and their 73 deliveries were recruited for the study. Among them, 38 were diagnosed with ITP during pregnancy and the other 24 had pre-existing ITP before pregnancy.
The severity of thrombocytopenia was exacerbated during pregnancy, but recovered to a level of non-pregnant period after delivery in most cases. The outcome of pregnancy of all the patients was uneventful except each one case of fetal demise at 35 gestational weeks and preterm delivery at 30 gestational weeks. One patient suffered from multiple subdural hemorrhage during pregnancy, which was spontaneouly recovered. Twenty newborns (27.8%) had transient congenital thrombocytopenia and 18 of them required treatment for hemostatic impairment.
For women with ITP, Pregnancy can affect the severity of ITP, but life-threatening complication was almost lacking. Although, in not a few cases, there may need to treat both mothers and infants to raise their platelet counts, most mothers with ITP can proceed with their pregnancies and delivery healthy infant without complication.


Idiopathic thrombocytopenic purpura; Pregnancy; Neonatal thrombocytopenia; Outcome
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