Consider the statements given below regarding contraception and answer as directed thereafter
(a) Medical Termination of Pregnancy (MTP) during first trimester is generally safe.
(b) Generally chances of conception are nil until mother breast-feeds the infant upto two years.
(c) Intrauterine devices like copper T are effective contraceptives.
(d) Contraception pills may be taken upto one week after coitus to prevent conception.
Which two of the above statements are correct?