I found this shocking... but found multiple sources that seem to all agree:
The article comes from fertilitysigns.com:
Adult Aspirin and NSAIDs


Full strength adult aspirin (325 mg) and other NSAIDs (non-steroidal anti-inflammatory drugs) should not be taken when trying to conceive due to the possibility of LUFS (luteinizing unruptured follicle syndrome). which can cause the follicle not to release the egg. These medications may also delay ovulation in other cases. Medications which are included in the NSAIDs categories are any medication which contains ibuprofen or naproxen or aspirin, as well as other anti-inflammatory prescription drugs, such as might be prescribed for arthritis. When in doubt, check with your pharmacist or doctor.


It has been suggested that NSAIDs may be an often overlooked cause of anovulatory cycles and infertility. If full strength aspirin or other NSAIDs must be taken during a cycle, then these medications should be avoided prior to ovulation.


Often times, one of these medications must be taken prior to ovulation, such as during menses for treatment of cramps. In these cases, if the medication is taken for a short duration or is taken only occasionally, then the risk for delayed ovulation or LUFS is less than if the medication was taken continuously prior to ovulation. Since each individual responds differently to medications, personal experience and your doctor's advice should be your guidelines for using these over the counter medications prior to ovluation.


For information on how low dose aspirin, or baby aspirin as it is commonly called, is used to increase the uterine lining thickness and treat immune disorders such as APA, please see the Baby Aspirin section.

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Wow! Thanks for sharing that article. I'm a big aleve and advil user. Just last night I used advil PM. You better believe I'll stop using this stuff! Thanks a bunch!

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Wtsparkle -going for 3!