Hi I Was Taking Duromine 40mg For 3 Weeks I

Hi I was taking duromine 40mg for 3 weeks I stopped as I was feeling very unwell non stop tierd and constipated for 3weeks. I stopped a week ago and still felt the same so just thought on a very slight chance I may be pregnant. And what do you no I am. I already have 6 children under 11. I'm 32 what are the Chance's it will be healthy ? Thinking I would be 6-8 Weeks