Pregnancy and gastric bypass surgery? what happens to a developing fetus if the b-vitamins and protein is not accessible after gastric bypass surgery?

It : It is very possible to have a healthy, happy pregnancy following gastric bypass. Many pregnancies are healthier after bypass than before because of a decrease in complications related to obesity. The risks associated with gestational diabetes, pre-eclampsia, and c section, among others, all decrease after successful bypass. It is important that you try to wait to conceive until you have had the majority of your weight loss and your weight has stabilized. This is usually around 12-18 months. People have been pregnant successfully sooner but there is more risk. Following bypass the absorption of nutrients is changes due to the new anatomy. Additionally your intake is limited because your stomach is now a small pouch. For these reasons it is important to work closely with your OB and a nutritionist through your pregnancy. Around 80% of women meet all their needs on their own. Some women need to drink liquid protein supplements to ensure they get enough protein. Rarely women need IV nutrition supplementation, usually only late in pregnancy. Vitamins are still accessible to your baby so long as your own body has adequate stores. You should take a prenatal vitamin and speak with your doctor regarding the need for folate, b-12, calcium, iron, or vitamin d supplements. Likely you are already taking b 12 supplements and these will continue. Your physician will continue to monitor your levels through blood tests during pregnancy. Remember, you do not know you are pregnant during those early important weeks, so if you have any plans for pregnancy be sure to work closely with your doctor and nutritionist to stay healthy.

Supplement : If you don't take vitamins there is a high incidence of spina bifida and intra-uterine death.

Pregnancy is ok. : Pregnancy is quite appropriate after roux-en-y gastric bypass. Most programs ask patients to wait 12-18 months post-op to be one pregnant. Regarding "b" vitamins and protein, as long as you are taking the recommended vitamin supplementation and sufficing your protein requirements (typically around 70 grams/day) all should be good for the developing fetus.