Is back pain with abdominal pain after 4 days of IUI injection?

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Hello Doctor. I injected IUI for 4 days, the first day back pain with abdominal pain, day 3 the pain is better, no more back pain. By day 4, I had terrible back pain. I hope the doctor can help me with back pain and abdominal pain after 4 days of IUI injection? Thank you doctor.
Tuan (1993)
Answer
Answered by Master, Resident Doctor Nguyen Thi Tam - Reproductive Support Center, Vinmec Times City International Hospital.
Hello,
With the question “Back pain with abdominal pain after 4 days of IUI injection, is it okay? ”, the doctor would like to answer as follows:
The injection used in IUI is a drug that stimulates the development of the follicles to create dominant follicles and stimulate ovulation. During an IUI cycle, drugs will usually be used at a low dose to aim at generating only 1-3 dominant follicles in a cycle. Because the use of fertility drugs will increase the level of the hormone estradiol in the body, the patient may have symptoms of abdominal tightness, back pain, chest tightness, fatigue,...
Usually these symptoms are at low levels. mild, not too uncomfortable and will go away on its own. If your back pain worsens, you should have a follow-up visit to check for other causes of pain and an ultrasound to rule out ovarian hyperstimulation.
If you still have questions about back pain and abdominal pain after 4 days of IUI injection, you can go to a hospital of Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!