There are no symptoms that indicate that a fertility treatment has not been successful. Specifically, after the embryo transfer until the time of the pregnancy test, some women have a strong urge to urinate, mood swings, headaches, etc.
However, these symptoms are not specific to the implantation of the embryo in the uterus, and therefore to pregnancy.
For this reason, the presence or absence of symptoms during Beta-Wait is not indicative of success or failure, respectively, of an IVF treatment.
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