Sabar ye mak, swab test tu memang kena buat tapi tak akan batal puasa you sebab tak ada benda masuk dalam mulut or minuman, it's just a swab, so your fast is still valid! A few of my mum friends yang pregnant during Ramadhan pun kena swab jugak, and dorang puasa normally je. Memang lega jugak dapat check, sebab yellowing discharge boleh jadi normal jugak tapi better safe than sorry for baby, the doctor will let you know if it's just candida or something else yang kena treat. Jangan worry, this is very routine thing during pregnancy checkups!