Looking at the planets position based upon the date of birth provided, Mercury is weak in the chart at just 00.01 degrees in Ketu nakshatra. Rahu aspect is on Mercury, which is not good, as Mercury is the planet of communication, logic, confidence, and Rahu aspect is there. Saturn aspects the Moon, which is debilitated in the D9 chart.  More guidance can be provided on delayed speech after you provide the time and place of birth.