Fertility Clinic Registered Nurse (RN). This position is for a current Registered Nurse (RN) who has previous experience working specifically in fertility and IVF. This position has a set Monday-Friday schedule and weekly pay.. administering fertility (IVF) treatments. 6 months experience in fertility and/or IVF is required. As the nation’s first healthcare staffing company, Interim HealthCare Staffing has created a career path for LPNs and RNs that makes work-life balance achievable and rewarding.