. Author manuscript; available in PMC: 2017 Nov 1.

Published in final edited form as: Med Clin North Am. 2016 Nov;100(6):1199–1215. doi: 10.1016/j.mcna.2016.06.004

Table 8.

Diagnostic testing along with prophylaxis and treatment of micro and macronutrient deficiencies in pregnancies after bariatric surgery

Component	Diagnostic testing (serum)	Prophylaxis	Treatment if deficient
Protein	Serum albumin and prealbumin	60g protein/day	Protein supplements
Vitamin A	Vitamin A, if clinically indicated	4000 IU/day in prenatal vitamin	Vitamin A not to exceed 8000 IU/day
Vitamin D	25-hydroxy vitamin D, if clinically indicated	400-800 IU/day in prenatal vitamin	Calcitriol (vitamin D) 1000 IU/day
Vitamin K	Vitamin K₁, if clinically indicated	Not routinely given	Vitamin K₁ 1 mg/day Consult with hematologist
Folic acid	Complete blood count, red blood cell folate	600-800 μg/day in prenatal vitamin	Folic acid 1000 μg/day
Vitamin B₁₂	Complete blood cell count, Vitamin B₁₂	4 μg/day in prenatal vitamin	Oral vitamin B12 350 μg/day or Intramuscular 1000 μg/month Consult with hematologist
Calcium	Total and ionized calcium	250 mg/day in prenatal vitamin	Calcium citrate 1000 mg/day with Vitamin D
Iron	Complete blood count, iron, ferritin, total iron binding capacity	30 mg/day in prenatal vitamin	Ferrous sulfate 325mg twice-three times/day with vitamin C

Data from Mechanick JI, Youdim A, Jones DB, et al. Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient--2013 update: cosponsored by American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery. Obesity (Silver Spring) 2013;21(Suppl 1):S1-27; and American Academy of Pediatrics and the American College of Obstetricians and Gynecologists. Guidelines for perinatal care. 7th ed. Washington, DC: American Academy of Pediatrics and the American College of Obstetricians and Gynecologists; 2012.