I earned my Medical Degree in Guadalajara, Mexico and did my residency in Internal Medicine in Mexico City. After that, I was a postdoctoral fellow at the University of Texas MD Anderson Cancer Center. My current research projects are about environmental exposures, genetic polymorphisms and health outcomes including cancer. On December 2018, I finished a Masters in Public Health through the University of California at Berkeley. I first learned about the Billings Ovulation Method® when I was a medical student in my hometown. In 2013, I took the training course through the Billings Ovulation Method Association- USA and now I am a certified teacher and a board member. I am aware of the multiple misconceptions and lack of knowledge about the natural family planning methods including the Billings Ovulation Method®; therefore, I am conscious of the huge need for creating new research projects that will fill the gap. I hope that the results of this study will help generate updated evidence of the Billings Ovulation Method®.