Nor chlamydia nor PID causes infertility. But if ignored for akong duration then both might cause many other difficulties like renal UTI, chronic fever, weakness etc.
Whereas infertility can be due to various other reason oike
1. Congenital
2. PCOD
3. Carcinoma
4. Fallopian atresia
5. Uterine anomalies and several others.
If you want to know about any specific disease tgen please elaborate your problem more.
Next Steps
consult an infertility specialist/ gynaecologist