I underwent iui on 5th of this month and continued...

Is your medical condition considered spotting or period ?
its most likely to be spotting if you are checked for pregnancy and got positive , if not , we suggest to do the tests as soon as possible 
Does spotting means period ?
not always , spotting may present in early period of pregnancy which can be also normal , so for that we suggested to get tested 
What is the options of pregnancy tests ?
1. HCG hormone level blood test
2. home pregnancy test ( urine ) 
3. ultrasound test ( in clinic ) 
How early can you do those tests :
1. HCG hormone test : 25th day of the current period
2. home pregnancy test : first week of the next period 
3. ultrasound test : second week of the next period 
Early pregnancy signs :
1. delayed period 
2. increase vigainal discharge 
3. abodiminal discomfort 
4. change in mood status