For couples with infertility, pregnancy rates can be expected to be in the range 20 - 40% within 6 to 12 months of using the CrMS to conceive, simply from a better understanding of your fertility cycle. With additional medical intervention, pregnancy rates of up to 80% may be possible. Pregnancy rates will vary depending on individual medical problems. We suggest consulting with a physician or medical provider who will use the information from your fertility charting to assist with appropriate evaluation and treatment.