<unk>  is considered a diagnosis of exclusion.<unk>  can be associated with serious problems in the mother or baby, such as Wernicke's encephalopathy, coagulopathy and peripheral neuropathy. Women experiencing<unk>  often are dehydrated and lose weight despite efforts to eat. The onset of the nausea and vomiting in<unk>  is typically before the 20th week of pregnancy. Differential diagnosis Diagnoses to be ruled out include the following: Type Differential diagnoses Infections * Urinary tract infection * Hepatitis * Meningitis * Gastroenteritis Gastrointestinal disorders * Appendicitis * Cholecystitis * Pancreatitis * Fatty liver * Peptic ulcer * Small bowel obstruction Metabolic * Thyrotoxicosis (common in Asian subcontinent) * Addison's disease * Diabetic ketoacidosis * Hyperparathyroidism Drugs * Antibiotics * Iron supplements Gestational trophoblastic diseases (rule out with urine β-hCG) * Molar pregnancy * Choriocarcinoma Investigations Common investigations include blood urea nitrogen (BUN) and electrolytes, liver function tests, urinalysis, and thyroid function tests. Hematological investigations include hematocrit levels, which are usually raised in<unk> . An ultrasound scan may be needed to know gestational status and to exclude molar or partial molar pregnancy.
Hyperemesis gravidarum
Hyperthyroidism
Postpartum blues
Urinary tract infection
Placenta praevia
Morning sickness  Morning sickness  1
Eclampsia
Puppy pregnancy syndrome