If the egg ruptured, the chance of pregnancy is 20%. However d21 may be slightly late. But the chance of pregnancy is never zero. Bit if it does not come, in next cycle we have to think about giving different doses of medicine for ovulation Induction.
Please read https://drsujoydasgupta.continuouscare.io/post/infertility-treatment/2121
Next Steps
consult your FERTILITY SPECIALIST
Health Tips
https://drsujoydasgupta.continuouscare.io/post/infertility-treatment/2121