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? What are the tests required to diagnose pregnancy

1. Urine pregnancy test after your expected period. If the test is negative , repeat it after 3 days 
2. You can do Blood HCG tests which is more accurate that URINE TEST
3. Ultrasound 3 weeks after expected period

You should consult your doctor to do the test . If it's negative , the doctor will preform other tests to diagnose the cause 

? What are the symptoms of Pregnancy

1. Absent cycle
2. Fatigue
3. Abdominal pain
4. Back pain 
5. Nausea
6. Vomiting
7. Breast pain 
8. Skin changes
9. Mood changes
10. Positive pregnancy tests

What are the causes of Delayed period

1. Pregnancy
2. Side effects of medications such as anti-depressants and contraceptive methods
3. Stress and Anxiety
4. Obesity
5. Polycystic ovary
6. Hypothyroidism and thyroid disease
7. Hormonal disease

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