The information on this site is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images, and information, contained on or available through this website is for general information purposes only. The purpose of this is to help with education and create better conversations between patients and their healthcare providers.. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Livingston on normal beta hcg levels at 7 weeks: It would be helpful if you provided the units on those lab values. Not sure if they're different in Canada vs. US. If you are truly 9 weeks pregnant why are they even checking your HCG levels? Are you bleeding? Is the . Beta hCG levels usually double about every 2 days for the first four weeks of pregnancy. As pregnancy progresses the doubling time becomes longer..