Signs of implantation after an embryo transfer can vary and are generally subtle.

Here are some commonly noted signs:

1. Light spotting or bleeding: This is sometimes referred to as “implantation bleeding” and occurs when the embryo attaches to the uterine lining. The bleeding is usually light and short-lived.

2. Mild cramping: Some women report mild cramping during the implantation phase, which is typically less intense than menstrual cramps.

3. Changes in basal body temperature: A slight increase in basal body temperature can indicate implantation.

4. Breast tenderness: Hormonal changes related to pregnancy may cause tenderness or swelling in the breasts.

5. Fatigue: Increased levels of progesterone can lead to feelings of tiredness and fatigue shortly after implantation.

6. Nausea or aversions: Early signs of pregnancy, such as nausea or heightened sensitivity to smells, may begin around this time, although they are more common later.

7. No noticeable symptoms: It’s important to note that some women experience no symptoms at all during implantation, which is entirely normal.

Reference: Genetics.edu.au