Hello After embryo transfer, ecosprin is given by many infertility practitioners, as it is believed to enhance blood supply to the embryo, and increase implantation chances. However, since you forgot to take it, nothing can be done now It would have been better to comply with the prescription given to you, as your doctor would have prescribed in your best interest. However, since you have missed it, do not worry now. Success of embryo transfer depends on many other factors also. Keep taking your scheduled medicines and follow all precautions explained to you. All the best.