Heavy exercise such as aerobics, jogging, weight lifting etc. is prohibited during ovarian stimulation and until the pregnancy test results are known. Smoking should be stopped before ovulation induction begins. It is highly recommended to discontinue tobacco intake at least 3 months prior to an IVF cycle. Alcohol should be avoided during pregnancy and infertility treatment. Drinking alcohol is not advisable from the time fertility medications are initiated until the pregnancy test is conducted. Some medications may interfere with the fertility medications prescribed, some are not safe to use before an operation or medical procedure, and others might interfere with ovulation or pregnancy implantation