A women in second trimester was found to have over distended uterus. Common causes include:
a. Wrong dateb. Hydramnios
c. Distended bladder
d.Twins
e. Fibromyoma
Ans. All 
* Woman with a uterus that appears large for gestational
age, the following are the possibilities: 
- Multiple fetuses 
- Elevation of the uterus by a distended bladder 
- Inaccurate
menstrual history 
- Hydramnios 
- Rydatidiform mole 
- Uterine myomas 
- A closely attached adnexal mass 
- Fetal macrosomia late in pregnancy.