Nub theory details

lovemymonsters7

Found a great article on nub theory which is between 11-13 weeks even has very clear pictures

https://www.babycentre.co.uk/x2200/nub-theory-will-a-dating-scan-show-the-sex-of-my-baby

Top picture,boy bottom picture,girl felt this may help some people out as I have seen a ton of posts