Hiii I'm 12 weeks and 1 day pregnant, from the starting of pregnancy my weight is 45 it is not increasing y? In 7 weeks 2 days I hv undergone with ultrasound my foetal heart is 150bpm, crl 1.17 cm, cx length 3.9 cms.and in 11 weeks 4 days I hv again undergone with ultrasound crl is 48. 4 mm,foetal heart is 180 bpm, cx length is 50 mm. But still my weight is 45 kgs wat might be the prblm and is my baby is in correct weight? Plzz ans mee.