After egg retrieval, your main job is to rest, stay hydrated, and let your body recover from what is essentially a minor surgical procedure under sedation. Most people feel well enough to return to normal activities within a day or two, but full recovery, including the return of your period, takes one to two weeks. Here’s what to expect and what to do during that time.
The First 24 Hours
You’ll wake up from sedation feeling groggy and possibly a bit disoriented. Someone else needs to drive you home. For the rest of that day, avoid driving, exercising, working, or making any significant financial or personal decisions. The sedation affects your judgment and reaction time even after you feel alert.
Cramping in your lower abdomen is normal and starts almost immediately. Your ovaries were significantly enlarged from stimulation medications, and they’re now shrinking back down after the follicles were drained. Some people describe the feeling as similar to moderate period cramps. Light spotting is also common and not a cause for concern.
By the next morning, most people feel well enough to drive and return to routine activities. Many take that second day off work too, though, especially if their job involves physical labor or long hours on their feet.
Managing Pain and Bloating
Your clinic will give you specific guidance on pain relief, but there’s an important nuance worth understanding. Anti-inflammatory medications like ibuprofen are effective for this type of pain, but some clinics restrict them after retrieval because of concerns about bleeding and, if you’re doing a fresh embryo transfer, potential effects on implantation. Many clinics now use a strong anti-inflammatory given intravenously during the procedure itself, which cuts the need for stronger pain medication afterward by more than half. At home, acetaminophen (Tylenol) is generally considered safe and is the most commonly recommended option. Follow whatever your clinic tells you.
Bloating can be significant and may last about a week. Your ovaries were stimulated to produce many more follicles than a natural cycle, and the surrounding tissue retains fluid. Drinking 8 to 12 glasses of water or electrolyte-rich fluids daily helps your body clear this excess fluid. Salty broths, coconut water, and drinks with added electrolytes are popular choices. Some people find that a heating pad on the abdomen helps with both cramping and bloating.
Constipation Is Extremely Common
This catches many people off guard. Elevated progesterone levels slow down your digestive tract, and the combination of sedation medications, reduced activity, and possible dehydration makes things worse. Stress and anxiety around the procedure can also contribute.
Don’t wait for constipation to become a problem before addressing it. Increase your fiber intake right away, keep up with fluids, and use over-the-counter stool softeners if needed. Straining is uncomfortable when your ovaries are still swollen, so being proactive here makes a real difference in how you feel during the first week.
What to Avoid and for How Long
Your ovaries remain enlarged after retrieval, which creates a real risk of ovarian torsion, a painful condition where the ovary twists on itself. This is why activity restrictions exist and why they matter.
- Vigorous exercise: Avoid running, jumping, aerobics, and contact sports for at least two weeks. Most people can return to moderate exercise like walking within one to two weeks.
- Tampons, tub baths, and swimming: Avoid these for about a week. The needle punctures through the vaginal wall need time to heal, and you’re vulnerable to infection during this period. Showers are fine.
- Sexual intercourse: Some clinics recommend avoiding it for two weeks. Others say it’s allowed but may be uncomfortable. Follow your clinic’s specific instructions, as this can depend on whether you’re doing a fresh transfer.
Light walking is encouraged from day one. It helps with bloating, constipation, and your overall sense of well-being. Just keep it gentle.
The Hormone Crash Is Real
During stimulation, your estrogen levels climb far beyond what they reach in a natural cycle. Your brain and body adapt to this hormonal environment. Then, almost overnight, the stimulation stops and the eggs are removed. Hormone levels drop sharply.
This isn’t just a mood swing. Estrogen plays a central role in how your body regulates temperature, how your brain produces feel-good chemicals like serotonin and dopamine, and how you perceive emotional safety. When estrogen falls abruptly, the brain’s temperature regulation can misfire (leading to hot flashes or feeling unusually warm), emotional resilience drops, and many people feel a rawness or vulnerability that’s hard to describe. Some people cry easily, feel anxious, or experience a general sense of letdown.
This is a physiological withdrawal, not a reflection of how the cycle is going or how you should feel. It typically resolves within a few days to a week as your hormones stabilize. Knowing it’s coming can make it less alarming when it hits.
Watch for Signs of OHSS
Ovarian hyperstimulation syndrome happens when the ovaries overreact to stimulation medications, causing fluid to leak into the abdomen and sometimes the chest. Mild bloating is normal, but certain symptoms signal something more serious.
The key threshold to watch: rapid weight gain of more than 2.2 pounds (1 kilogram) in 24 hours. Some clinics ask you to weigh yourself daily during the first week for this reason. Other warning signs include a noticeably increasing waist size, severe abdominal pain, nausea or vomiting that won’t stop, difficulty breathing, or decreased urination despite drinking plenty of fluids. Contact your clinic if any of these develop.
When Your Period Returns
Most people get their period within 7 to 14 days after retrieval, though the exact timing depends on which trigger shot you received and whether you’re taking progesterone support for a fresh transfer. If you’re doing a freeze-all cycle with no transfer, expect your period on the earlier side of that range. It may be heavier or more uncomfortable than usual because of the thickened uterine lining from stimulation.
What’s Happening in the Lab
While you’re recovering, your embryology team is busy. Understanding the timeline can help manage the anxiety of waiting.
On retrieval day (Day 0), your eggs are counted and assessed for maturity. About 4 to 6 hours later, they’re either mixed with sperm or injected individually through ICSI. The next morning (Day 1), embryologists check for fertilization and you’ll typically get your first update: how many eggs were mature, how many fertilized normally.
On Day 2, the embryos are checked for cell division, and the team decides whether to do a Day 3 or Day 5 transfer. By Day 3, healthy embryos usually have 6 to 8 cells. This is also when genetic biopsy may happen if you’ve opted for testing. On Day 5, embryos that have continued developing reach the blastocyst stage, the point at which transfers and freezing typically occur. Any remaining viable embryos are frozen by Day 6.
Not every clinic calls with daily updates. Some give you a fertilization report on Day 1 and then a final report on Day 5 or 6. Ask your clinic what their communication schedule looks like so you’re not anxiously waiting for a call that isn’t coming.