Hey mama, congrats on your pregnancy! Sikal (scaling/dental cleaning) during first trimester is generally okay, but honestly, mas better kung pwede mong i-delay pa to the second trimester when possible, that's when it's safer at mas comfortable ang body mo. Best talaga na mag-check ka muna with your OB before going to the dentist, kasi sila na ang makakaadvice kung kaya mo na o dapat maghintay pa, lalo na kung may specific concerns ka with your pregnancy.