im 28 yrs old female,married since last 3 yrs.planned pregnancy onec n was pregnant.but no heart beat were heard on 5 week,i waited till 8 week,still nothing hence,it was tagged as missed abortion n D n C was done.now ill plan for pregnacy which is after 6 mths of D&C.im scared that it shud not happen again,i dont know what went wrong,how to take care so that it shud have succesful pregnancy