PRESTO (Pregnancy Study Online)

What is PRESTO and why should I join?

PRESTO is a web-based research study that examines whether lifestyle factors such as diet, exercise, and medication use have an impact on fertility and pregnancy outcomes.

You and 2,500 other women are being invited to complete one online questionnaire at enrollment and every 2 months for up to 12 months or until pregnancy occurs.

You will also have the opportunity to invite your male partner to participate.

Half of all enrolled participants will get a free VIP membership at, an online software program that charts your menstrual cycles and records your fertility signs (note: promotion is not available to current members).

PRESTO is a non-profit study being conducted by researchers at Boston University. It is funded by the National Institutes of Health.

What are the eligibility requirements?

Eligible female participants are:

-Age 21-45

-Not currently using any methods to prevent pregnancy

-Not using fertility treatments

-In a stable relationship with a male partner

-Thinking about becoming pregnant in the next 6 months and are not currently pregnant

-Willing to participate in a 12-month study

What are the study objectives?

The study objectives are to identify lifestyle factors that affect the chances of successful pregnancy. The study will also examine predictors of miscarriage, preterm birth, and low birth weight.

What is required of participants?

- One online survey at enrollment (30-35 minutes).

- One online survey every 2 months for up to 12 months or until you get pregnant (10-15 minutes).

- One online diet survey 10 days after enrollment (30-40 minutes).

- If you become pregnant, one survey in early pregnancy (10-15 minutes) and one survey in late pregnancy (10-15 minutes).

- Optional: male partner survey (10-15 minutes).

Click here to enroll in PRESTO. Listen to our radio documentary.

**Participants: login here to fill out your latest survey**

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Photo credit: Karen Wise