Most women describe egg freezing as uncomfortable rather than painful — the injections cause mild soreness, the retrieval itself is done under sedation so you feel nothing during it, and the days after can bring bloating and cramping similar to a heavy period. Genuine severe pain is not expected, and if it happens, it needs to be reported to your clinic.
Stage 1: the stimulation injections (about 10–12 days)
Daily hormone injections stimulate your ovaries to grow multiple eggs at once. The needles are small and the injection is subcutaneous (just under the skin, usually the lower abdomen) — most women describe it as a brief pinch rather than significant pain. As the days go on and the ovaries enlarge, a feeling of fullness, bloating, or mild pelvic heaviness is common and expected, not a sign anything is wrong.
Stage 2: egg retrieval
This is the part people worry about most, and it is also the part with the least pain, because it's done under sedation or light anaesthesia. You will not feel the procedure itself. What you may feel afterward, once the sedation wears off, is:
- Mild to moderate cramping, similar to period cramps
- Pelvic soreness or a bruised feeling
- Light spotting
This typically settles within a day or two with rest and simple pain relief as advised by your clinic.
Stage 3: the days after
Bloating and mild cramping can continue for several days as your ovaries return to their normal size. This is expected recovery, not a complication.
Discomfort during egg freezing is normal. Severe, one-sided, or worsening pain is not — that needs a same-day call to your clinic, not a wait-and-see approach.
When discomfort crosses into a warning sign
Contact your clinic promptly for:
- Severe or one-sided abdominal pain, rather than general soreness
- Rapid bloating, breathlessness, or noticeably reduced urination — possible signs of ovarian hyperstimulation (see OHSS: warning signs and prevention)
- Fever
- Heavy bleeding, not just light spotting
These are uncommon, but they are the specific signs that separate normal recovery from something that needs same-day attention.
Frequently asked
Do the injections hurt more than a normal blood test?
Most women find them comparable to or milder than a blood draw — the needles used for subcutaneous hormone injections are fine-gauge and go just under the skin, not into a vein or muscle.
Am I awake during egg retrieval?
You are sedated or under light anaesthesia for the retrieval itself, so you do not feel the procedure. You will be monitored as the sedation wears off before going home the same day.
How long does the soreness after retrieval last?
Most women feel noticeably better within 24–48 hours, with residual bloating settling over the following days. Pain that is worsening rather than improving after 2 days should be reported to your clinic.
Is egg freezing more painful than a natural period?
The retrieval itself involves no felt pain due to sedation. The cramping afterward is commonly compared to a heavy period, and the bloating during stimulation is usually more pronounced than typical premenstrual bloating.