Primolout N is norethisterone
, it is used to control irregular bleeding.
It is not used as a contraceptive
, so usually it is advised to use non-hormonal
contaceptive method like condom etc.
Yes, you can do a home pregnancy
test around the due date of pregnancy, where the test is likely to be positive.
Your method of testing may work but it has a disadvantage since you said you have no bleeding at all it may be difficult to suggest a time. May be you can increase the frequency of testing to once in fortnight.
You seemed to be well informed but be sure to consult your Gync in case you found to be pregnant.