PFI

(redirected from Pill-Free Interval)
AcronymDefinition
PFIPay for Inclusion (web search engines)
PFIPrivate Finance Initiative
PFIPrivate Finance Initiative (UK)
PFIPriority for Improvement (various organizations)
PFIPower Factor Improvement
PFIPrison Fellowship International
PFIPort Fuel Injection
PFIPartition from Image
PFIPay for Inclusion
PFIPort Fuel Injection (engines)
PFIPractical Farmers of Iowa
PFIPet Food Institute
PFIPublic Finance Initiative
PFIPrimary Financial Institution
PFIPipe Fabrication Institute
PFIPersonnel Force Innovation (US DoD)
PFIPellet Fuels Institute
PFIPaul Frank Industries (California)
PFIPagan Federation International
PFIPresence From Innovation LLC
PFIPartnerships for Inclusion
PFIPro-Forma Invoice (Customs)
PFIProspective Financial Information
PFIPharma Foods International (Japan)
PFIPandemic Flu Information (forum)
PFIPatapsco Female Institute (Maryland)
PFIPermanent Functional Impairment
PFIPublic Financial Institution (India)
PFIPerformance Feel Index (automotive engineering)
PFIPrismaflex International
PFIPerformance Factor Interview
PFIPill-Free Interval (combined oral contraceptive pill)
PFIPower Fail Interrupt
PFIPayload FCS (Frame Check Sequence) Indicator
PFIPurolator Facet, Inc. (Franklin, TN)
PFIPastoral Formation Institute
PFIProgrammable Function Input
PFIPositive Financial Impact
PFIPagtinabangay Foundation, Inc.
PFIPersonal Finance Initiative
PFIPre-Fire Inspection
PFIPartial Frame Image
PFIPrivate Fax Interface
PFIPristane Formation Index (molecular maturity parameter)
References in periodicals archive ?
Users should ask their doctors about avoiding the pill-free interval.
Known as the pill-free interval, the placebos are designed to be taken the week you have your period to help you stay in the rhythm of taking a pill every day.
Should the first 2 weeks of antibiotic use extend into the last 7 days of the pack, eliminate the next pill-free interval as well.
There is no reason why women have to have a seven-day pill-free interval," sexual health physician Terri Foran said.
Shortened pill-free interval delivered by new 20 mcg pill, Organon's Mircette, schedule for US debut this summer.
The 7-day pill-free interval, combined with a delay in restarting the next phase of the pill regimen, is the likely cause of some of the unintended pregnancies reported in pill users.
Legro and his coinvestigators en rolled 62 normally cycling women in a double-blind, randomized, controlled trial and followed them for symptoms, bleeding patterns, endometrial histology, follicular development, and serum and urinary levels of sex steroids as they took oral contraceptives for 28 days per month with the traditional Z-day pill-free interval or continuously
headaches including nonfocal migraine, menstrual migraine and other bothersome side effects, if they occur during the pill-free interval
A total of 278 women with a history of cycle-related symptoms or dysmenorrhea were monitored during three cycles of the COC regimen, with no pill-free interval.
In the usual OC cycle of 21 hormone days and 7 days off, women begin to get symptomatic even before the pill-free interval because their ovaries are not totally suppressed," she said in an interview, "By giving an extended number of days of hormone, you have better ovarian suppression and thus fewer symptoms during the shorter pill-free interval.
An oral contraceptive regimen consisting of 84 days of hormonally active pills followed by a seven-day pill-free interval could be less costly to users and society than the standard regimen of 27 days of active pills followed by a weeklong pill-free interval.
Three weeks of use are followed by a patch-free week to allow for menses (much like the pill-free interval for most COCs).