This document discusses subfertility, or reduced fertility, and treatments. It notes that about 25-30% of healthy couples conceive per month, with 50% conceiving within 3 months, 75% within 6 months, and 90% within a year. Subfertility is defined as no pregnancy after 12 months of unprotected sex. About 5% of couples have fertility problems and 10% may need medical treatment. Treatments discussed include tracking ovulation, hormonal therapy, treating infections, ovarian stimulation, and less than 3-5% need IVF. Male fertility can be improved with micronutrients like L-carnitine, L-arginine, and antioxidants. Better sperm quality may reduce the need for