January 22, 2026

Understanding Weight Changes During Egg Retrieval Cycles

A study of over 22,000 cycles found patients gained an average of 1.4 pounds during egg retrieval, with weight fluctuations influenced by BMI, egg count, and OHSS. Most returned to baseline within two weeks.


Key Takeaways

Average Weight Gain During Egg Retrieval Cycles: What the Study Reveals

Patients undergoing ovarian stimulation gained an average of 1.4 pounds, though individual results ranged from a 5-pound loss to a 15-pound gain. This variability highlights the need for personalized expectations.

Factors Linked to Weight Gain in Egg Retrieval Cycles

Lower initial BMI and retrieving a larger number of eggs were associated with higher weight gain. Patients with ovarian hyperstimulation syndrome (OHSS) also experienced greater weight increases and longer recovery times.

Temporary Nature of Weight Changes After Fertility Treatment

Most patients returned to their baseline weight within two weeks post-retrieval, offering reassurance that weight fluctuations are typically short-lived and not a cause for long-term concern.

Effective Strategies to Manage Weight During Fertility Treatment

Staying hydrated, eating balanced meals with whole foods, and gentle movement like walking can help mitigate bloating and maintain steady weight during ovarian stimulation.

When to Discuss Weight Concerns With Your Fertility Doctor

Patients experiencing significant or persistent weight changes should consult their care team for personalized guidance, especially if OHSS or other complications are suspected.


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