Which two of the following statements are correct?
a) MTP during first semester is generally safe
b) Chances of conception are nil until mother breast feeds the infant upto two years
c) IUDs like copper-T are effective contraceptives
d) Contraceptive pills may be taken upto one week after coitus to prevent conception

The correct option is A a, c
a) Medical termination of pregnancy is a induced abortion which is considered safe during the first trimester of pregnancy( i.e upto 12 weeks of pregnancy). However, these are much more riskier in second trimester of pregnancy.

b) Chances of conception are almost nil as long as the mother lactates fully. This method is considered effective only upto a maximum period of six months.

c) IUDs like copper T are effective contraceptives. It prevent implantation.

d) Pills are normally taken daily for a period of 21 days starting preferably within the first five days of menstrual cycle.

So, the correct answer is 'a,c'.