This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
High-risk factor for gestational hypeension include all except: 
Select and explain. 
A. BP 150\/100 mm of Hg, B. Gestation age < 30 weeks, C. IUGR, D. Polyhydramnios
D: Polyhydramnios
Answer: D: Polyhydramnios 
Explanation: polyhydaminos is defined as excess of amniotic fluid more than 2000ml.The causes are fetal structural malformations,chromosomal anomalies,multiple pregnancy,immune hydrops fetalis,sacrococccygeal teratoma,maternal diabetes,and maternal substance abuse,chorioangioma of placenta. Refer page no 213 of Text book of obstetrics,sheila balakrishnan,2 nd edition.