Urination and cramps

Im planning palang po magpa check up to make sure na buntis po talaga ko, I'm 19 days delayed now and nag PT na din po ko tatlong beses, and tatlong positive (yung dalawa medyo malabo pa T LINE) now I have experiencing cramps sa balakang, and napaka frequent ng urine ko wala pang 1hr ihi nanaman, minsan wala pang 5 mins ihi nanaman, at minsan mahapdi po sa pag ihi ko, any advice po, if im preggy delikado po ba? I had an experienced ng miscarriage year 2020, kaya kinakabahan po ko, i feel na mababa kasi matres ko