What are symtoms of infertility in women?

Various. Infertility means not getting pregnant within 1 year of trying to concieve. If a woman has irregular periods, pelvic pain, or other medical problems, it can be wise to get some medical evaluation sooner.
Depends on the cause. Infertility is a symptoms by itself and other symptoms depend on the cause. See this site for more information on this topic. http://www.mayoclinic.com/health/female-infertility/ds01053.