confusing ultrasound pic?

Willow • 23 years old- 2 losses, 1 rainbow baby - Olive, currently 9 months old, Pregnant with my second due November 2018 ❤️
Can anyone explain this ultrasound pic to me? This was at 18 weeks and apparently was clinging onto placenta? So confused is that it's head? And what was is it facing? Haha