2nd misscarage normal period 1st time

[juliet2]

my daughter miscarried in april had normal period 4 wk after no clots or anthing.sadly miscsrried again in june again 4 wk after had period with heavy loss and clots this time.i phoned epau they said this is normal to lose clots on 1st period but why dint she lose clots the 1st time.anyone give me any advice on this,it makes me wonder if everything had not come away after the 1st miscarage and this is why she misscarred the 2nd time x