<prompt> During pregnancy, maximum urinary hCG level is reached in:30 days50 days70 days90 days  <response>: Placenta stas producing hCG 8 days post feilization hCG values keep on increasing and reach maximum at 10 weeks60-70 days After 10 weeks, hCG levels begin to decline and are minimum at 16 weeks. After 16 weeks,hCG value reaches plateau. 