Normally, it takes numerous weeks for that placenta cells to deliver sufficient levels of the hormone human chorionic gonadotropin (hCG), which can be detected by way of a blood take a look at. It is advised for individuals to refrain from getting a pregnancy exam instantly right after embryo transfer. https://www.digitaljournal.com/pr/news/insights-news-wire/ivf-mexico-best-fertility-clinic-1465491918.html