I'm a bit concerned about my current situation. On the 14th day, my left follicle size is 2.1 cm, but my endometrium thickness is only 4.8 mm. My doctor advised waiting until the 16th day to see if the endometrium can reach 6 mm before we go ahead with IUI. Does this thickness seem too low for a successful IUI, and is this a common approach? Any advice or insights you can share would really help me understand what's happening.

Dr Dhankecha Dineshbhai

General Practitioner

• MBBS
• 6+ Yrs

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No symptoms 4 days post embryo transfer (ET) is completely normal.

Why no symptoms?

1. Implantation process: Implantation of the embryo into the uterine lining occurs around 6-10 days post ET. Symptoms may appear after implantation.
2. Hormonal changes: Progesterone levels may not have surged enough to cause noticeable symptoms yet.
3. Individual variation: Every woman's body reacts differently to pregnancy hormones.

Continue with routine

1. Medication adherence: Keep taking your prescribed medications as directed.
2. Light exercise: Continue with gentle walks and avoid strenuous activities.
3. Stay hydrated: Drink plenty of water and maintain a balanced diet.

When to expect symptoms

1. 6-10 days post ET: Implantation occurs, and symptoms like mild cramping, spotting, or breast tenderness may appear.
2. 10-14 days post ET: Pregnancy test (beta hCG) is usually done to confirm pregnancy.

Stay calm, and remember that every pregnancy is unique. Focus on maintaining a healthy lifestyle, and wait for your scheduled follow-up appointment.

Answered 04/07/2025