Answer: wt of your baby is fine as normal wt is 2.5 so dont worry about this. ur wife still have 3 weeks at least baby will gain more. ask her to practice squats and kegel exercises. baby keep moving so keep ur fingers cross soon ur baby will change the position too. take care
Answer: sonography doesn't always tells the actual weight of the child. It varies from +/- 10% of the weight detected in the sonogram.
Answer: everytime usg could not detect the actual baby weight. so this also may be the case.. hope for the best..