Welcome to HCM,
If both of you do not want pregnancy
then there are many options which are safe for which please consult Gynecologist and first take up pregnancy test or screening by ultrasound
to know status of pregnancy and a test Beta HCG
may be ordered by your doctor.
Gyneacosid contains(Methyloestrenolone) which is not for preventing pregnancy or inducing abortion please do not use the drug without prescription of Gynecologist as it is used in hormone imbalances like secondary ameorrhoea after excluding pregnancy.
In some cases there may be incomplete abortion
and complication like very heavy bleeding may occur.
There are other safe emergency contraceptive
pills are there.
Please vist Gynecologist and take proper treatment do not risk yourself.