This is pharmaceutical science refined over decades
For the male partner, this would include 1,2 : Previous fertility and other reproductive issues Sexual activity, libido, and function Past and present medical conditions and medication usage Childhood conditions affecting the reproductive system, such as undescended testicle(s), mumps orchitis, and early puberty Physical or surgical trauma affecting the reproductive tract Alcohol, cigarette, and recreational drug use Occupation and other potential sources of environmental toxin exposure Family history of infertility or other medical conditions Physical examination A screening physical exam can be helpful in identifying lesions, cysts, tumors, varicoceles, and structural abnormalities related to the penis, vas deferens, epididymis, and testicles that may require further assessment
But the experience, quality, and results differ substantially
However, treatment approaches should always be discussed with a qualified healthcare provider
Journal of Physiology and Pharmacology, 64(5), 597-612