Its been a year since I got married where I've had 2 missed abortions (both in 7-9 weeks with no heartbeat seen). So my husband and I decided to give samples for both blood and foetal karyotyping. My results are normal. But The blood results of my husband shows that he has an increase in the heterochromatin length of the long arm of the Y chromosome but says its a normal variation. So I just wanna know if this has got anything to do with miscarriage. If yes, please provide me an insight of treatment for the same. Foetal karyotyping results are awaited.