The main symptom of infertility is the inability to get pregnant. A menstrual cycle that's too long (35 days or more), too short (less than 21 days), irregular or absent can mean that you're not ovulating. There might be no other signs or symptoms. 
symptom infertility inability pregnant  menstrual cycle that's long (35 days more)  short (less 21 days)  irregular absent can mean you're ovulating  signs symptoms
female infertility