RecruitingNot ApplicableNCT06705712

Physical Activity, Fertility, and Spontaneous Abortion in Danish Couples Trying to Conceive

A Preconception Cohort Study of Physical Activity, Fertility, and Spontaneous Abortion - Including a Randomized Controlled Trial.

Sponsor

University of Aarhus

Enrollment

530 participants

Start Date

Jan 1, 2025

Study Type

INTERVENTIONAL

Conditions

Fertility Pregnancy Complications Spontaneous Abortion Pregnancy Outcome Fecundability Time-to-Pregnancy

Summary

Physical activity in both the preconception period and during pregnancy may enhance the probability of getting pregnant and reduce the risks of complications during pregnancy. Adults, including pregnant women without complications, are recommended to be physically active for at least 30 minutes per day to maintain physical and mental health. Nonetheless, many women reduce their level of exercise during early pregnancy. With this project, we will test the effectiveness of receiving motivational counseling on physical activity (PA) among women trying to conceive and during the first trimester of the pregnancy if they conceive. We will further investigate whether PA is associated with fecundability, spontaneous abortion (SAB) and other birth outcomes, i.e., gestational diabetes, preeclampsia, and birth weight.

Eligibility

Sex: FEMALEMin Age: 18 YearsMax Age: 49 Years

Inclusion Criteria4

Female
years
In a relationship with a male partner
Trying to conceive

Exclusion Criteria3

Using birth control
Receiving fertility treatment
Have been trying to conceive for more than six months

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Interventions

BEHAVIORALUse of activity trackers and motivational conversations to enhance focus on physical activity among women trying to conceive.

All participants will receive a wrist-worn activity tracker (Garmin VívoSmart 5) which will be connected with an application, Fitrockr. Data from the devices will be linked to data from the Snartforældre-questionnaires. The participants are asked to wear the tracker 24/7 during preconception and during the first trimester of their pregnancy if they conceive within 12 months. Participants will receive information material and be asked to set goals for their PA level. To follow-up on the goal setting, they will receive two phone calls, where the conversations will be inspired by motivational interviewing.