<p>This medicine is not indicated in case of pre-existing pregnancy and cannot interrupt it. In case of failure of this contraceptive mean persisting pregnancy, epidemiological studies indicate no adverse effects of progestogen on the malformation of a fetus. Lactation is possible. However, since levonorgestrel is secreted into breast milk, it is suggested that you breastfeed immediately before taking each Levonorgestrel tablet and that you skip the nursing following each Levonorgestrel administration.</p>