Participants randomised to control group will also be supplied with home LH testing kits after informing the unit of the will to participate. Once the ovulation test is positive, the participant will contact the unit to arrange the ultrasound appointment on day LH+7 to LH+9 of the cycle directly preceding commencement of IVF/ICSI treatment. 48 to 72 hours later and additional appointment will be scheduled for ultrasound scan and blood tests.