I'm delayed 3 days my period I have last sex on...

What is the treatment of delayed period ?
first of all you have to do pregnancy test to make sure that you are not pregnant
Change lifestyle by staying away from stress and physical and psychological stress
Hormone therapy. The menstrual cycle is often irregular due to lack or imbalance in certain hormones in the body
A hormone called duphaston 20mg twice daily for 5 days can also help stimulate menstrual cycle in women who do not get it, but under the supervision of an obstetrician
Treatment of ovarian cyst, diabetes, thyroid disease, and hormones in general
Eat a balanced diet.
Avoid smoking
Avoid caffeine
Drink apple cider vinegar daily
Eat pineapple.
cinnamon
Pregnancy is diagnosed with several signs. Divide into two main parts:
Uncertain pregnancy signs:
The desire to vomit especially in the morning
Abdominal distension
Fatigue and general weekness
Pigmentation of areas in the woman's body such as vaginal membrane
Certain signs: These are signs that confirm pregnancy
Hearing the pulse of the fetus by the doctor
seeing the fetus and the beating heart of the fetus through the ultrasound examination
What are the medical tests to confirm pregnancy?
Normally, we rely on laboratory tests that are specific to pregnancy. These tests reveal pregnancy very early in pregnancy, such as:
Pregnancy examination by blood and pregnancy examination by urine, both of which examine the hormone BhCG ??in blood and urine
Digital Hormone Testing: It is a BhCG ??test but in numbers
If the test result is less than 5, there is no pregnancy
If the result is between 5-14, it is not possible to determine whether or not the pregnancy is present
If the result of examination 15 and above, pregnancy is confirmed
causes of delayed period :
pregnancy
Stress, emotional, anxiety and tension
Women who engage in extreme exercise such as running and weightlifting
Obesity
Polycystic Ovary Syndrome
Chronic diseases such as diabetes and gastrointestinal disorders can also affect the menstrual cycle.
Thyroid problems
What are the necessary tests in your case?
Clinical examination by obstetricians and gynecologists
Take the medical history
pregnancy test
blood test
Check sugar
Check thyroid function
Examination of female hormones
Examination of the uterus and ovaries by ultrasound