510(k) Report

510(k) · Cleared

Cleared

Early Ovulation Predictor (Stick), One Step Ovulation Predictor (Stick), Ovulation Predictor (Stick)

K991386510(k) TraditionalCleared May 25, 199934-day reviewClass I21 CFR 862.1485

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Selfcare, Inc. · CEP Radioimmunoassay, Luteinizing Hormone

Cleared on May 25, 1999 as substantially equivalent to K981271 (Unipath, Ltd., 1998) and 1 other predicate after a 34-day review. Its family tree reaches back 1 generation to 1989. 1 later device descends from it.

Decided
May 25, 1999
Review
34 days
Class
Class I
Product code
CEP
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K894579 (1989). 2 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2000: 1 descendant clearedK894579 · Clearplan Easy · Unipath, Ltd. · 19891990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K894579 · Clearplan Easy · Unipath, Ltd. · 19890
  1. Root · 1 generation backK894579 Clearplan EasyUnipath, Ltd. · 1989
  2. This deviceK991386 Early Ovulation Predictor (Stick), One Step Ovulation Predictor…Selfcare, Inc. · 1999
  3. Descendant · cites it directly · 0 of its ownK994035 Immunodip Urinary Albumin Screen, Model 790-01, 790-15Diagnostic Chemicals, Ltd. · 2000

Most influential descendants

Showing 1 of 1 · See all
  • K994035Immunodip Urinary Albumin Screen, Model 790-01, 790-15Diagnostic Chemicals, Ltd. · 2000 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K894579Clearplan EasyUnipath, Ltd.1989—
0 (this device)K991386Early Ovulation Predictor (Stick), One Step Ovulation Predictor (Stick)…Selfcare, Inc.1999—
+1K994035Immunodip Urinary Albumin Screen, Model 790-01, 790-15Diagnostic Chemicals, Ltd.2000—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200010
FIG. 1 — Lineage of K991386, 1989–2000Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K981271Clearplan Easy Ovulation Test
Summary page 1
…rially different from the predicate ClearPlan® Easy ovulation tests that are manufactured by Unipath, Ltd., Bedford, UK. and were cleared for use in the United States by K981271 and K894579. Section 6 contains information comparing the new device Ovulation Predictor , to the predicate device, ClearPlan® Ea…
Unipath, Ltd.1998—
*K894579Clearplan Easy
Summary page 1
…rent from the predicate ClearPlan® Easy ovulation tests that are manufactured by Unipath, Ltd., Bedford, UK. and were cleared for use in the United States by K981271 and K894579. Section 6 contains information comparing the new device Ovulation Predictor , to the predicate device, ClearPlan® Easy. Descrip…
Unipath, Ltd.1989—

Also cleared against K981271: 4 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K994035Immunodip Urinary Albumin Screen, Model 790-01, 790-15Diagnostic Chemicals, Ltd.20000

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K994035 (Diagnostic Chemicals, Ltd., 2000) has gone furthest, with 0 descendants of its own.
  • 4 other devices also cite its predicate K981271.

How does its category compare?

All CEP devices

CEP Radioimmunoassay, Luteinizing Hormone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CEP

FDA has decided no CEP device since 2007.

Median 510(k) review, days · CEP

Too few CEP 510(k)s in any year since 2007 to give a median.

Recalls per year · CEP

1in 2022

2012: 12021: 12022: 1
2007high 1 (2012) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · CEP

1in 2023

2007: 52008: 22011: 32014: 172015: 12023: 1
2007high 17 (2014) · low 0 (2009)2025

MAUDE reports naming product code CEP, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—05
20080—02
20090—00
20100—00
20110—03
20120—10
20130—00
20140—017
20150—01
20160—00
20170—00
20180—00
20190—00
20200—00
20210—10
20220—10
20230—01
20240—00
20250—00
20260—0—

What is it indicated for?

The Ovulation Predictor test is used for the qualitative measurement of LH and the detection of LH surge in a woman's urine as an aid in conception by accurately and reliably predicting ovulation. The Ovulation Predictor test is intended for use outside the body (in vitro diagnostic use) by women at home. The Ovulation Predictor test is an over the counter (OTC) device that will be sold under the name Inverness Medical Early Ovulation Predictor, an under various private labels as One Step Ovulation Predictor or Ovulation Predictor.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K991386: Early Ovulation Predictor (Stick), One Step Ovulation Predictor (Stick), Ovulation Predictor (Stick).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K991386

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026