Details about my 12 week and 21 week's ultrasound. Please help predict the gender of my baby

[Roseoo]

1) I have a left fundo anterior Placenta in my 21 week scan
2) I had a cyst in my left ovary in my 6 weeks scan
3) Also I am attaching the pics i have( 12 week nub pics and 21 week scan pics) , pls predict.

[dloui128]

I don't see a nub

I ovulated from my left ovary and I am having a boy

[lovemy4]

I don't see any clues.