Actively Recruiting

Age: 18Years +
FEMALE
Healthy Volunteers
NCT05642637

Biobank Cycle Collection

Led by SPD Development Company Limited · Updated on 2026-04-17

1500

Participants Needed

1

Research Sites

264 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This study will provide daily urine samples from volunteers who are trying to conceive in order to maintain the SPD biobank. Study volunteers, seeking to conceive will be provided with a CE marked Clearblue Ovulation product to help them pinpoint their most fertile time and aid conception. All volunteers will provide daily early morning urine samples throughout the study period and keep a study diary of menses and pregnancy test results for up to 3 menstrual cycles. Urine samples will be received in the clinical laboratory and aliquoted and stored at -80˚C until required.

CONDITIONS

Official Title

Biobank Cycle Collection

Who Can Participate

Age: 18Years +
FEMALE
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Females aged 18 and over actively trying to conceive
  • At least 2 regular consecutive cycles since last pregnancy, miscarriage, stopping breastfeeding, or contraception
  • Willing to disclose pregnancy status and provide urine samples
  • Willing to give informed consent and follow study procedures
Not Eligible

You will not qualify if you...

  • Trying to conceive for more than 6 months if under 35 years old, or more than 3 months if 35 years or older
  • Diagnosed with Polycystic Ovary Syndrome (PCOS)
  • Taking medication or having a condition that means pregnancy is not advised
  • Currently pregnant or breastfeeding
  • Using treatments affecting menstrual cycles, such as contraceptive pills
  • Using or previously used infertility or hormone replacement medications containing LH or hCG
  • Using or undergoing other fertility treatments like ovulation drugs, artificial insemination, IVF, or ICSI
  • Peri- or post-menopausal with symptoms like irregular periods, hot flushes, night sweats, sleep disturbances, or mood swings
  • Abnormal liver or kidney function
  • Taking antibiotics containing tetracycline
  • Participated in this study within the last 6 months

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

SPD Development Company Ltd

Bedford, Bedfordshire, United Kingdom, MK44 3UP

Actively Recruiting

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Research Team

S

Sarah Weddell

CONTACT

S

Sharon Bond

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

0

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