Ay, one-time lang naman so baka it was just a passing thing, pwede ring pressure lang from the baby or dehydration, nangyari na rin sa ilan sa amin once in a while, pero lalo't na ngayong 10 weeks ka pa lang, importante talaga i-mention mo sa OB mo during your next check-up para ma-monitor lang. Better safe than sorry, lalo na sa pregnancy, di ba, at least may peace of mind ka after.