My friend, she also "m唔準" (1yr only 4 times) and also the first one 冇咗 (one year ago), but now, she 有咗 (almost 3 moths la....)
唔駛驚 !! Relax or seek for advice from doctor la.....
Another friend also try 2 years, finally, her doctor gave her 排卵藥, she also 有咗 la.......