Select incorrect option for given statements : (i) Sterilisation is highly effective contraceptive techniques. (ii) Contraceptives pill may also cause ill-effects like break through bleeding, irregular menstrual bleeding or even breast cancer. (iii) MTPs are essential in certain cases where continuation of the pregnancy could be harmful to the foetus. (iv) First trimester abortions are much more risky. (v) MTP is generally performed to get rid of unwanted pregnancy due to rapes and casual relationship.