Hello! Thanks for your query. Dulcolax has been assigned to pregnancy category B by the FDA.Animal studies have failed to reveal evidence of teratogenicity or fetogenicity. She must endure until she become 12 weeks without any medication . Dulcolax should only be used to provide short -term relief from constipation. She need to; Eat a plenty diet with fruits and vegetables drink water 1,5-2 l per day getting regular gentle exercise go to the toilet as soon as she feel she need to can help maintain good bowel function. Take care of her