Actively Recruiting
Towards Optimal Fertility, Fathering and Fatherhood studY
Led by KK Women's and Children's Hospital · Updated on 2026-03-20
960
Participants Needed
1
Research Sites
166 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This case-control study involving fertile and subfertile couples aims to identify male factors related to pregnancy likelihood, create a fertility index measure combining male and female factors to predict pregnancy likelihood, and examine how male factors relate to the semen physical and biological characteristics.
CONDITIONS
Official Title
Towards Optimal Fertility, Fathering and Fatherhood studY
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Men aged between 21 and 49 years
- Female partners aged between 21 and 39 years
- Couples who are Singapore citizens or permanent residents
- Subfertile couples who have not conceived for at least 12 months
- Fertile couples with female partners currently pregnant at 16 weeks gestation or less
- Fertile couples with pregnancy achieved within 12 months or with an unplanned pregnancy
You will not qualify if you...
- Male infertility caused by known conditions such as azoospermia, retrograde ejaculation, genetic disorders, cancer treatment, or testes trauma
- Female infertility diagnosis confirmed by imaging or severe endometriosis
- Female partners with irregular menstrual cycles longer than 35 days
- Couples with known chromosomal abnormalities
- Fertile couples who became pregnant through egg or sperm donation
- Female partners with known uterine abnormalities
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
KK Women's and Children's Hospital
Singapore, Singapore, 229899
Actively Recruiting
Research Team
B
Benjarat Oh
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
2
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