Mama, good decision to book with your OB na, that's the right move! Please don't worry too much in the meantime; cervical changes happen during pregnancy, but your doctor needs to see it in person to know what's going on. One of my mum friends had similar worries and turned out to be nothing, pero palaging better safe than sorry, diba? Just make sure to mention to your OB exactly what you felt so they can check it properly. You're doing great by being proactive, just breathe muna until your appointment!