There are other ways your doctor can look for the cause of your enlarged liver. He may use an ERCP, a scope that checks for problems in the ducts (tubes) that carry bile. An MRCP, a special type of MRI, also helps spot that kind of trouble.
Cholestasis of pregnancy, also known as obstetric cholestasis or intrahepatic cholestasis of pregnancy, usually occurs during the last trimester of pregnancy, and triggers severe itching, especially on the hands and feet. On rare occasions symptoms may appear before the third trimester.
As indicated these causes of high triglycerides run in families. All of them result in abnormal balances of HDL, LDL and triglycerides. Pregnancy, in addition to other more obvious inconveniences, normally causes cholesterol and triglyceride levels to rise. They peak in the third trimester.