Congrats sa pregnancy, mama! Honestly, a few of us moms from the Pembo area recommend asking your GP for referrals first, or checking reviews on Google Maps, ang mga OBs doon usually get booked up fast kaya better mag-start na ng pag-search. One of my mum friends swears by asking sa pediatrician niya kung may trusted OB sila, or check sa hospitals like Makati Med or Cardinal Santos kung sino yung available OBs there, kasi convenient ang location mo.