pre natal check up

Hi mga momshies, ask k lng po if wat mga gngwa kpg 2nd visit na sa ob,,? 1st visit ko ksi is sa private clinic tas ng switch aq sa governmnt hospital, 16weeks preggy po aq..curious lng po f need b mgpa lab at mrrinig mu b,at pg 2nd check up po b pnprinig ndn heartbeat ni baby kht govt hospital lng? slamat po sa ssgot..