25 weeks +4 days fetal development standard data is how much ah

Pregnant women 25 weeks +4 days, that is, more than six months, at this time the fetal development length should be about 30 cm, and the weight should be about 700 grams, femur length, biparietal diameter in 4.8 cm and 6 cm respectively. But these data mainly provide reference, a slight deviation does not mean that the baby is abnormal.