worried

Hey girls i'm 41 and trying to have another baby had my iud removed on 03/24/2015 periods have been normal scents the removal I have been starting my on the 29 of every month this month 06/26/2015 I started 3 day befor my normal cycle very light at first light pink lasted for about 4 days got heavier by the second and third day fourth day less blood but still dark red I stop on the day my regular period was suppose to start i already have 4 children first 3 the same symptoms the 4th all the way different new man as well and he as no kids not one HELP........