Hi Iam
pregnant,my LMP 1/6/2016.on 1/8/2016 I went for 1st u/s the baby heart beat was 171 b/min n fetus length is 15 mm.dr said it's normal n my scan shows only 8w 0d(1w late) why?and there is another scan within 5 weeks(NT scan).some of our friends telling heart rate below 140 is boy, above 140 is girl is it true ?