My first baby is from IUI and first time bingo. But wait for more than 2 years, I cannot pregnant by myself. Tried 3 times IUI again but all fail. Reason may be because I am close to 40 and the quality of my husband's sperm is not good. When we did our first IUI, my husband's sperm is 17 (the passing rate is 10) but now is only 2. So Dr Tay advised us to go IVF so as to save time.