Generally, it will require several months for the placenta cells to produce enough amounts of the hormone human chorionic gonadotropin (hCG), that may be detected by way of a blood exam. It can be recommended for individuals to chorus from having a pregnancy exam straight away just after embryo transfer. https://www.digitaljournal.com/pr/news/insights-news-wire/ivf-mexico-best-fertility-clinic-1465491918.html