09/12/17 · HCG levels will be at the peak around 810 weeks during pregnancy, after which it would drop and continue at low levels for the remaining months of pregnancy Causes of low HCG levels in early pregnancy?At an early pregnancy, the hCG level is below 1,0 mIU/ml, it doubleup every 4872 hours and will normally increase at 60% every two days When the hCG level reaches 7,0 mIU/ml, there should be a visible yolk sac When hCG level hits more than 12,000 mIU/ml, a visible embryo with a heartbeat should be seen17/01/15 · I went to a and e yesterday with back and leg pain referred by my doctor They took blood test which showed hcg levels at 2500 I know I'm about 5 weeks give or take a day But with my previous miscarriage my hcg levels only reached 3000 and I miscarried at 85 weeks with pregnancy having stopped atabout 5 weeks 5 Weeks Pregnant Baby Development Symptoms And More At 7 weeks pregnant what should my hcg levels be