Fetal thrombocytopenia in pregnancies complicated by fetal anemia due to red-cell alloimmunization: cohort study and meta-analysis

To estimate the prevalence and characteristics of fetal thrombocytopenia at the time of percutaneous umbilical cord sampling (PUBS) in pregnancies complicated by alloimmunization and to conduct a systematic review on fetal thrombocytopenia in these pregnancies