Welcome to HCM,
You are planning for pregnancy
and period is delayed by 7 days,I presume you are sexually active so why you have not done urine pregnancy test to confirm the good news.
If you are aware how to do test just do it or you can consult a Gynecologist and get examined yourself and urine ,blood test
can easily confirm pregnancy and seen in ultrasonography
please test for pregnancy and confirm pregnancy as soon as possible.
Have safe motherhood.