Urine or serum pregnancy
Beta-HCG may be positive if beta-HCG injection given as part of fertility treatment, consider obtaining beta quantitative instead of qualitative
CBC
Chem 10
PT/PTT
Pelvic ultrasound
Consider:
CXR (rule out pleural effusion)
Cardiac ultrasound (rule out pericardial effusion)
Progesterone level
Estradiol level
Fibrinogen (rule out DIC)
Beta-HCG may be positive if beta-HCG injection given as part of fertility treatment, consider obtaining beta quantitative instead of qualitative
CXR (rule out pleural effusion)
Cardiac ultrasound (rule out pericardial effusion)
Progesterone level
Estradiol level
Fibrinogen (rule out DIC)
Abdominal distention/discomfort
Mild nausea/vomiting
Diarrhea 
Enlarged ovaries
Ultrasonographic evidence of ascites
Elevated hematocrit (>41%)
Elevated WBC (>15,000/mL)
Hypoproteinemia
Clinical evidence of ascites (can be tense ascites)
Severe abdominal pain 
Intractable nausea and vomiting 
Rapid weight gain (>1 kg in 24 hours)
Pleural effusion 
Severe dyspnea
Oliguria/anuria
Low blood/central venous pressure
Syncope
Venous thrombosis
Hemoconcentration (hematocrit >55%)
WBC >25,000/mL
Serum creatinine >1.6mg/dL
Creatinine clearance <50 mL/min
Hyponatremia (Na+ <135 mEq/L)
Hyperkalemia (K+ >5 mEq/L)
Elevated liver enzymes
Anuria/acute renal failure 
Arrhythmia 
Pericardial effusion 
Massive hydrothorax
Thromboembolism
Arterial thrombosis
ARDS
Sepsis
Ovarian hyperstimulation syndrome
Ectopic pregnancy
Aconitum toxicity
Molar pregnancy
Ovarian torsion
Sepsis
Pulmonary embolism in pregnancy
Septic abortion