Shady Grove Fertility Houston - Clear Lake While SGF Houston offers several state-of-the-art locations to meet patient needs, the Clear Lake fertility center serves as our main office and the central location for all we have to offer. SGF is proud to make fertility treatment more affordable by accepting exclusive fertility benefits provided by employers/companies as well as third-party administrators. SGF patients who choose to use their benefits from the below list of providers will enjoy negotiated preferred service rates and a streamlined claims process.