Renal Full blood count creatinine, urea, electrolytes Albumin calcium phosphate magnesium Parathyroid Hormone urine microscopy and culture Antenatal First tests Full blood count liver function tests creatinine, urea, electrolytes Urate Blood Group Antibody Screen Rubella titre Urine microscopy and culture (STD Screen) Second tests (20-24 weeks) Blood group antibody screen Glucose Challenge Test Third tests (30-36 weeks) Full blood count Antibody test if Rhesus negative Group B streptococcus screening (some areas) STD Screen Syphilis serology HIV Hepatitis serology urinary chlamydia pcr cervical swab penile swab Abdominal Pain Full blood count creatinine, urea, electrolytes Lipase or Amylase beta HCG Anaemia Full blood count Iron studies B12 / Folate / Red Cell Folate creatinine, urea, electrolytes