Why is my girlfriend's period delayed after taking i-pill?

Yes uterine polyps can potentially cause fatigue. Check with your doctor for a proper evaluation

It would be medically incorrect to give a cold cap treatment when having a strong flu during pregnancy. As a rule, one should always get a recommendation from the obstetrician or gynecologist prior to starting taking any medicines or applying any treatments. 

It's okay, sometimes it's absolutely normal that periods can be delayed without any consequent harm, just wait before you start to worry about it. Stress, weight changes, or hormonal imbalances might be the culprits. Keeping track of any other symptoms you might have like cramps or mood swings can help a lot. Drinking plenty of water, eating healthy food, and sleeping enough might help you make your period regular.

LATE PERIOD could indicate PREGNANCY or HORMONAL CHANGES.... FATIGUE and BLOATING are common PMS symptoms.... GASSINESS is also typical in PMS or DIGESTIVE ISSUES.... HEADACHES could be due to HORMONAL CHANGES or STRESS... Take a PREGNANCY TEST to rule out pregnancy... Manage symptoms with REST, EXERCISE, and a BALANCED DIET... Consult a doctor if symptoms persist or worsen...

These might be signs and symptoms of other health conditions like endometriosis or pregnancy complications. Consult a gynecologist for thorough diagnosis and treatment.

If the uterus is removed, as in a hysterectomy with preservation of ovaries, they usually work normally until natural menopause. But this may differ from person to person and the surgical approach. You should talk to your gynecologist and with the surgeon that did your surgery for details about you case. They will inform patients about post-surgery ovarian function recovery.