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Can your diet help you get pregnant? new study investigates

NCT ID NCT00642590

Knowledge-focused Sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how lifestyle factors like diet and health habits affect a couple's ability to conceive. Researchers followed 266 couples planning their first pregnancy, tracking how long it took to get pregnant and any early pregnancy losses. The goal was to better understand the link between daily habits and fertility, which may help future couples trying to have a baby.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

266 people

The number who actually took part.

Started

Mar 2008

Finished

Oct 2020

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

We are looking for couples who are planning a pregnancy. This must be a first pregnancy for women, ages 18 to 39, and both partners must be in good general health with no history of infertility.

Ages

18 to 39 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Female is between 18 and 39 years of age * Female is having regular periods * Couple is currently using some form of contraception (e.g., oral contraceptives, barrier methods, timing method), but planning to get pregnant in the near future. Exclusion Criteria: * Female has a previous pregnancy * Female has tried for 12 months or more to achieve a pregnancy without success, or has undergone fertility treatment * Female has received a diagnosis of polycystic ovary syndrome (PCOS) * Female has another serious medical condition (e.g. heart disease, kidney disease, diabetes, thyroid disease, clinical depression, or an acute chronic infection) * Male has tried for 12 months or more to achieve a conception without success * Male has had a fertility related condition (e.g., zoo- or oligospermia, other abnormal semen analysis, cryptorchidism, or testicular cancer) * Male has another serious medical condition (e.g. heart disease, kidney disease, diabetes, thyroid disease, clinical depression, or an acute chronic infection)

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Conditions

The condition(s) this trial relates to.

Behavior infertility disorder nutritional disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Fertility Infertility Life style Nutrition Pregnancy

Contacts and locations

Locations

  • Marlene Goldman

    Concord, New Hampshire, 03301, United States

  • Penn State University

    University Park, Pennsylvania, 16802, United States

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