Generally, it takes several months with the placenta cells to produce adequate levels of the hormone human chorionic gonadotropin (hCG), which may be detected through a blood check. It is actually suggested for patients to refrain from getting a pregnancy exam instantly just after embryo transfer. For Females, an ultrasound https://www.digitaljournal.com/pr/news/insights-news-wire/ivf-mexico-best-fertility-clinic-1465491918.html