Low BPD (biparietal diameter) at 20 weeks scan
i just had 20 week ultrasound... all measurement is normal(HC,FL etc. around 20.2 weeks) but BPD((biparietal diameter) was 42 mm (18.5 weeks), doctor told me to have another scan in 4 weeks... I am scared to death...really worried... Do i n eed to start worrying about it? Please help....