- Concerns about physical, emotional and psycho-social effects of conventional stimulation
- Cost of conventional stimulation
- Lack of public funding
- Risks associated with multiple pregnancies and births
- Move towards Single Embryo Transfers
- Clinical availability of antagonists
- Advances in Endocrinology
- Latest Ultrasound Technology
- Improved Embryology
- Increased demand for ART
- Cancer survivors requiring ART
- “Cost” of conventional stimulation IVF
- Need to offer more treatments on public health service