1. Baseline scan is done on day 2/3 of cycle where u are supposed to mention Antral follicle count (2-9mm) and any retained follicular cyst from previous cycle .. it determines ovarian reserve as well help gynaec to decide stimulation dose After day 8 they want to know how many dominant follicles are growing ... If IUI or OI/TI CYCLE one or two dominant follicles are recruited If IVF cycle multiple follicles are recruited Mention number of follicle and sizes .. measure in two dimensions at least (each follicle) 2. Till the follicle size reaches 17-18 mm .. time to go for pick up in IVF cycles or for trigger in IUI or oi and ti cycles Usually follicles grow at speed of 1-2 mm per day 3. Regarding endometrium when u do day2/3 scan endometrium should be thin (<5mm) ... if it is thick than do see endometrium again once period is over (day 5-6) ... I’d still thick than gynaec usually do some scratching or they don’t proceed in same cycle 4. Endometri...