1 to 12 weeks 123 months <br> 13 14 15 16 weeks 4 months over<br> 17 18 19 20 weeks 5 months over <br> 21 22 23 24 weeks 6 mo over<br> 25 26 27 28 weeks 7mo over<br> 29 30 31 32 weeks 8 mo over So by 29th week your 8th month will start.

33-36 weeks