<prompt> Answer this question truthfullyHow long should women under 35 years old try to conceive before undergoing tests for infertility? And what is the time period for women over 35 years old?  <response>: <reason> Women 35 yo should undergo tests for infertility if they have been trying to conceive unsuccessfully for 12 months; for women 35 yo, the time period is 6 months. 