What are the signs of infertility in females?

Infertility is when you cannot get pregnant after having unprotected, regular sex for six months to one year, depending on your age.
The main symptom of infertility is not getting pregnant. You may not have or notice any other symptoms.
The main important signs are:
Abnormal periods. Bleeding is heavier or lighter than usual.
Irregular periods. The number of days in between each period varies each month.
No periods. You have never had a period, or periods suddenly stop.
Painful periods. Back pain, pelvic pain, and cramping may happen.
Sometimes, female infertility is related to a hormone problem. In this case, symptoms can also include:
Skin changes, including more acne
Changes in sex drive and desire
Dark hair growth on the lips, chest, and chin
Loss of hair or thinning hair
Weight gain
Other symptoms of disorders that may lead to infertility include:
Milky white discharge from nipples unrelated to breastfeeding
Pain during sex
Many other things can be related to infertility in women, and their symptoms vary.