EDD confusion

Hello po, Tanong lang po. Last first normal menstruation was July 27,2023 and dinugo ako last August 2023 pero di umabot ng 1 day and spotting lang. Namali yung pagkasabi ko sa last first menstruation ko during ultrasound. Instead of July 27, nasabi ko is August 27. My expected EDD at ultrasound is June 2,2024. Possible ba na this May 2 ang expected ko instead of June 2 ? But according ni OB mag 36 weeks ako on May 12. Follow ko nalang po si OB? Need ko kasi malaman if 36 weeks na ako to make sure lang before I eat foods na pampalambot ng cervix ko. 36 weeks kasi panganay ko nung nag take ako ng pineapple juice and nanganak agad ako kinabukasan. Thank You.