Confused

ask q lang po, saan ba talaga nagbabase kung ilang weeks or months na c baby? Kc kanina check up q, sabi ng OB q, 11 weeks and 2 days na c baby.. Pero kung pagbabasehan ko eh yung transv.. 10 weeks and 3 days plng.. Kasi 5 capsules nlng binigay sakin ni ob na folic acid. Stop na daw kc 3 months na.. Please answer po... Thank you