Yes, there's no problem with that. However, as your belly grows, you may feel uncomfortable sleeping face down. Some pregnant women are perfectly comfortable sleeping on their stomach even up until the third trimester.
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)