Background: Pregnant women with hypertension are at high risk to deliver a newborn with severe thrombocytopenia. Little is known concerning the magnitude of thrombocytopenia in neonates born to mothers with PIH and controversy was also present.

Objective: To determine the frequency of thrombocytopenia in neonates born to mothers with pregnancy induced hypertension.

Material & Methods: This cross sectional study was carried out at department of Neonatology, Lady Aitcheson Hospital, Lahore for 6 months. A sample of 1ml from cord blood was taken and sent to hematology laboratory. Neonatal thrombocytopenia was labeled. All the data was entered and analyzed on SPSS version 16.

Results: The mean age of babies was 13.31±7.07 days. The male to female ratio was 1.1:1. The mean platelet count of the babies was 150.23±29.39. Thrombocytopenia was present in 41.50% babies.

Conclusion: Prevalence of thrombocytopenia was 41.5% in females with PIH.