Painless gastroenteroscopy during breastfeeding can have some effects on the baby. Breastfeeding can do gastroenteroscopy, refers to can do ordinary gastroenteroscopy, ordinary gastroenteroscopy is only need to clear the bowel, oral some electrolyte bulk, so breastfeeding to do ordinary gastroenteroscopy is no effect on the baby. But for painless gastroenteroscopy need intravenous injection of anesthetic, through the blood, so it will have a certain impact on the baby, if you have to perform gastroenteroscopy, try to choose ordinary gastroenteroscopy, if you can not tolerate the pain need to be carried out under the guidance of the doctor. If you are breastfeeding, try not to have a painless gastroenteroscopy, it may affect the baby, the specific impact varies from person to person, but try not to do this test during breastfeeding.