Good afternoon my period starts today but i have...

What is the natural of women period cramps ?
usually period comes every 28 days in general , and the bleeding lasts for about 4-6 days , and may be accompanied with many symptoms , and most common symptoms are :
1. general weakness
2. abdomenal pain
3. mood changes 
Medical ways to help relieving period cramps :
1. pain killers such as naproxin ( oral )
2. apply hot bots or hot patchs on lower abdomin area 
3. if the period pain is severe or other symptoms appeared such as : abnormal vaginal discharge , prolonged bleeding , heavy pain , its better to visit an OBGYN doctor to do a routine check and make sure everything is ok 
is your current symptoms suggest normal period pattern ?
no its not , and we suggest to consult doctor soon 
What are the expected causes of abnormal menstrual period?
1. uterine fibroids
2. Endometriosis
3. Pelvic infections
4. ovarian cysts 
5. Side effects of medications currently being taken
What are the necessary tests:
1. Clinical examination by the specialist doctor
2. reproductive hormones levels 
3. imaging test ( ultrasound ) 
4. reproductive system  Endoscopy (if necessary)
5. blood test 
6. kidney and liver function tests