Hi. Iam 34 yr old , lmp 17 sept. Iui done on 1st October, egg future on 2nd Oct. On day 28 of period (15 October) upt tested postive with beta HCG 24miu. 48 hrs later on day 30of cycle 17th Oct beta HCG 51miu/ml. Retested 48 hrs later today on day 32 level was 117miu/ml. Is these level ok or is it low than standard? What does it mean. I been asked to retest again 4 days later. Why so? Pls explain as consultant has not provided any explanation.