Thanks for posting your query on healthcare magic.
Your symptoms are suggestive of pregnancy
but not confirmatory.
IS 99% EFFECTIVE
Causes of missed periods include thyroid
problem, stress, ovarian cyst
I recommend her to get a urine pregnancy test once she misses her periods. Transvaginal scan is confirmatory of pregnancy.
Transvaginal scan also helps in detecting other causes of missed periods like ovarian cyst.
Practice safe sex
Hope this helps.