What is the most common treatment for infertility in couples?

Several: Infertility treatments vary by cause and doctor/patient preferences. Medication to improve ovulation or cause multiple egg release is very common. Natural intercourse with timing, insemination, and surgery for endometriosis are common. Ivf offers very high success and is now a common treatment. Important is make a diagnosis and then treat with correct methods. Best wishes.

Varies: There really isn't a most common treatment for infertility in couples. Many women though will take an ovulation induction agents such as Clomid (clomiphene) to regulator ovulation or to produce multiple eggs to improve chances combined with intrauterine insemination.