Table 7.

The differentiation between complications in pregnant women with obesity and post-bariatric surgery pregnancy

Stages of pregnancy	Complications associated with obese pregnant	Complications associated with post-bariatric surgery pregnant
1st trimester	Vomiting [55] Increase risk of miscarriage [55] Anemia [31]	Vitamin K deficiencies [76] Vitamin D deficiency [68] Vomiting [55] Anemia [68]
2nd trimester	Gestational diabetes mellitus [77] Pregnancy-associated hypertensive disorders [78]	Vitamin B12 deficiency [68]
3rd trimester	Preeclampsia [78]	Anemia [13] Calcium deficiency [76] Increases risk for osteoporosis [76]
Postpartum	Postpartum hemorrhage [7, 33] Postnatal depression [55] Vaginal lacerations [7] Perianal lacerations [7, 33]	Thiamine deficiency [68] Vitamin A deficiency [68]