The symptoms may be of pregnancy. Please go for a home pregnancy test. The kits are readily available over the
counter. If the test is inconclusive, you can wait for a few days and see if the menstruation starts. The
symptoms may be due to hormonal problems. If the symptoms persist please go for a USG. It is better to go for
an intravaginal scan since it may be too early and an intravaginal scan is reliable to detect pregnancy in
early stages. Please go for a gynecologist consultation as well. Hope this helps you. Take care and regards!