There is chance that periods may be getting delayed due to many reasons like emotional stress
disturbance, ovarian problems etc.
The Yamini tablets are contraceptives will regularize your cycles and make menstruation
normal like before. Once your cycles regularize, your Doctor will stop the pills. This may take about 2 months. After pills are stopped and cycles are normal, you can plan for pregnancy
Eat a healthy diet. Avoid junk food. Do daily exercise to keep fit. All this will improve chance of recovery as well.
Wishing good health.