Please select the eligibility criteria that correspond to the clinical trial below.
Title: Weight Management for Improved Pregnancy Outcomes
Brief Summary: This study will examine the safety and effectiveness of a dietary intervention in pregnant women. Women who are obese will be invited to participate. The control arm will receive routine prenatal care and one in-person nutritional and dietary counseling session to promote healthy eating during their pregnancy. The intervention arm will receive a more intensive dietary program that will include in-person counseling and group support sessions. The goal of the intervention will be weight maintenance (weight at 2 weeks after delivery should be within 3% of baseline weight) and avoidance of postpartum weight retention


Options:
A: Inclusion Criteria:

* Pregnant women with prepregnant or first trimester BMI equal to or greater than 25 kg/m2 and less than 45 kg/m2
* Singleton pregnancy
* Willing to consume the diets for duration of pregnancy
* Participant to be at week 28 or less of pregnancy at baseline visit

Exclusion Criteria:

* Smoking during pregnancy
* Major medical illness (e.g., diabetes mellitus, hypertension, thyroid disease)
* Patients taking prescription medication known to affect body weight
* Alcohol consumption during pregnancy
* Patients who declare their intention to deliver infants in the environment outside of Beth Israel Deaconess Medical Center, Boston
* High level of physical activity
B: Inclusion Criteria:

* Primiparous women who have not participated in a structured exercise program, including significant amounts of walking for the past six months are eligible for the trial.
* Other inclusion criteria are ability to read, write and speak Norwegian, and to be within their first 24 weeks of pregnancy.

Exclusion Criteria:

* Severe heart disease
* Pregnancy induced hypertension
* History of more than two miscarriages
* Persistent bleeding after week 12 of gestation
* Poorly controlled thyroid disease
* Poorly controlled pre-eclampsia and/or other diseases that could interfere with participation (Artal and O'Toole, 2003)
* In addition, all women who live to far from the university to be able to attend weekly training groups will be ineligible
C: Inclusion Criteria:

* BMI 30 or more
* Less than 20 weeks gestation
* member of Kaiser Permanente Northwest (NW)
* receive pre-natal care at Kaiser Permanente NW
* speaks English

Exclusion Criteria:

* no current treatment for cancer
* no bariatric surgery
* no current renal disease
* no multiple birth anticipated
* no hyperemesis requiring hospitalization
* no diabetes (type 1 or 2)
D: Inclusion Criteria:

* Gestational age ≤ 12th week of gestation
* Age: 18 years to 43 years
* Prepregnancy BMI ≥ 18.5 kg/m2 and ≤ 40.0 kg/m2
* Sufficient German language skills
* Written informed consent

Exclusion Criteria:

* Multiple pregnancy
* Any condition preventing physical activity such as placenta praevia, persistent bleeding, cervical incompetence
* Prepregnancy diabetes or early diagnosed gestational diabetes
* Uncontrolled chronic diseases (e.g. thyroid dysfunction)
* Psychiatric or psychosomatic diseases
* Any condition that may interfere with the study protocol

Answer: C