I've heard of cases where pregnancy can occur with the doses of OCs by several hours. I can't give you an exact guarantee whether it's five hours or seven or 10. It's a pretty good span between 3:30 and 10:30 so I would err on the side of caution. But it's easy enough to use a backup method and there's plenty to choose from and I would suggest if you are very concerned about getting pregnant that you go ahead and use a back up method.
"To achieve maximum effectiveness, Lo Loestrin Fe must be taken exactly as directed. Take one tablet by mouth at the same time every day. Tablets must be taken in the order directed on the blister pack. **Tablets should not be skipped or taken at intervals exceeding 24 hours.** For patient instructions for missed pills, see FDA-Approved Patient Labeling. Lo Loestrin Fe tablets may be administered without regard to meals"
[see Clinical Pharmacology (12.3
"You may need to use back up birth control, such as condoms or a spermicide, when you first start using Lo Loestrin Fe or if you miss a dose. Follow your doctor's instructions."
"Missing a pill increases your risk of becoming pregnant. Carefully follow the "missed dose" instructions if you forget to take your Lo Loestrin Fe tablets."
Generally it is recommended that you take your pill as close to a 24 hour interval as is possible. Set upon waking every morning at 7amwith your alarm, or just before bed 10pm every night for example.
Some women actually set an alarm on their phone to remind them to take their pill at the same time every day. I think that's the best idea because that would work seven days a week when you might shut off your alarm. Doesn't matter if it's noon doesn't matter if it's evening or morning as long as it's ingested approximately at a 24 hour Interval every day.
BTW The first couple of paragraphs with quotes are actually available on this site listed under the medication itself. So I simply copied and pasted that as a timesaver I'm generally a pretty busy person when I'm working delivery:-)
- Lo Loestrin Fe Information for Consumers
- Lo Loestrin Fe Information for Healthcare Professionals (includes dosage details)
- Side Effects of Lo Loestrin Fe (detailed)
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