Menlo Park, Calif. -- Institutional Venture Partners (IVP), the Menlo Park-based venture capital firm, has led a new $50 million round of funding for Massachusetts-based Care.com, developer of a web service that helps families connect with caregivers. Previous backers Matrix Partners, New Enterprise Associates (NEA) and Trinity Ventures also participated. Sandy Miller, a general partner at IVP, will serve on the company's board of directors. Care.com, which now has raised $61 million since its inception in 2006, has approximately 7 million members. The site helps families find caregivers in areas such as childcare, senior care, pet care, housekeeping and tutoring. In recent months, the company has embarked on international expansion, including the acquisition of Berlin-based Besser Betreut and the launches of Care.com in the U.K. and Canada.