When You Ovulate & When to Have Sex During a Clomid Treatment Cycle

Choosing the Best Days to Boost Conception on Clomid

Young couple sitting on bed, smiling, close-up, about to have sex while taking Clomid
If you have frequent sex all month long, you won't have to worry about the exact day you will ovulate on Clomid.. Noel Hendrickson/Digital Vision/Getty Images

When will you ovulate on Clomid? This is an important question if you want to boost your odds of pregnancy success during treatment. If you know when you will ovulate, you can time your horizontal baby dancing for your most fertile time.

Here's the thing... there's no one day that everyone ovulates when taking Clomid. There are "Clomid calculators" online that claim to tell you when you'll ovulate, but they really are a best guess.

That said, there are average ovulation days. Also, there are ways you can time sex to increase your chances of getting pregnant during treatment. Keep reading...

The Average Time Women Ovulate on Clomid

Most women will ovulate 7 to 10 days after they take their last Clomid pill.

Remember that some doctors recommend taking Clomid on Days 3, 4, 5, 6, and 7 of the cycle, while others recommend taking Clomid on Days 5, 6, 7, 8, and 9. 

If you are on the Day 3 to 7 protocol, this would mean you're most likely to ovulate (on average) sometime between Day 14 and Day 17 of your cycle.

To conceive, you want to have sex before you ovulate.

So, you might want to have sex every day or every other day starting on Day 11 and ending on Day 18.

If you are on the Day 5 to 9 protocol, you're most likely to ovulate (on average) between Day 16 and 19.

In this case, you'd want to start having sex every day or every other day starting on Day 13 through Day 21.


But these are just averages. It's possible you'll ovulate earlier or later than the average.

This means you could theoretically miss your most fertile time if you start having sex too early or too late.

Best Way to Predict Ovulation When Taking Clomid

Your best bet is probably to use an ovulation predictor test.

If you've never tried an ovulation predictor test (or OPK, ovulation predictor kit), they work a lot like pregnancy tests.

You pee on a stick, and the test will indicate whether you're in your fertile window or not.

You can start taking the OPKs the day after you finish your Clomid pills. Keep taking the tests until you get a positive result, and then start having sex every day until the OPKs are no longer positive.

Now, there is a caveat here... which is that a positive OPK doesn't mean you ovulated. It just means the hormone LH was detected in your urine. 

While LH does surge before ovulation, just because LH surges doesn't guarantee you actually ovulated. 

If you want to be more sure that you actually ovulated, consider charting your basal body temperature. This will let you know when and if you actually ovulated.

More on how to detect ovulation:

Ovulation When You Take Clomid and Injectables

Sometimes, Clomid is used together with injectable medications.

The most common injectable medication is the hormone human chorionic gonadotropin (hCG). This is sometimes called a Trigger Shot.

It's called a Trigger Shot because it triggers ovulation to occur within 24 to 48 hours after injection. 

That means your most fertile day will be the day of the trigger shot injection.

So, unless your doctor tells you otherwise, start having sex that day! To optimize your odds of conception, keep having sex every day for the next three days. 

Another Great Option: Just Have Sex All Month Long

If you'd rather not bother with ovulation test kits, you could just have sex every one or two days, all month long.

If you have sex every other day or every two days, you're bound to have sex during your fertile time. Start having sex after you finish taking your Clomid pills.

There are other advantages to having frequent sex -- it's better for his sperm and it's better on your relationship!

Is Timed Sex Stressing You Out?

If you or your partner are struggling with having sex "on the clock," you're not alone.

This is a common struggle for couples trying to conceive. 

For one, you may need to have sex when you're not in the mood. Secondly, it can feel weird to have sex knowing that your doctor "knows" you're having sex.

Just so you know... your doctor isn't even thinking about you having sex. Seriously. 

But that doesn't make it easier. 

More about Clomid:


Clomid Drug Information Sheet. Sanofi-Aventis. Accessed October 6, 2008. http://products.sanofi-aventis.us/clomid/clomid.pdf

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