Really sweet smelling urine all of a sudden, could this be an early pregnancy sign?

Not that I know of: Please do a home preg test, if - see your gyn for a blood preg test urine smell has nothing to do with preg.

That's a new one.: Classic pregnancy sxs begin when period is missed or thereafter (6-8 wks). Sx’s can include: tender /swollen breasts, nausea or vomiting; lack of period; ^ frequency of urination; headaches, insomnia, fatigue. Moodiness, mild cramping, food cravings ; aversions; passing gas; enlarging waist line ; ^ white, milky vaginal discharge. Take pregnancy test to know.