Diastasis Recti Abdominis and Abdominal Muscles

Study Overview
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Brief Summary
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Purpose of the study is the assessment of interrectal distance and dimensions of the muscles of the lateral abdominal wall in pregnant and non-pregnant women

Detailed Description
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Purpose of the study is the assessment of interrectal distance and dimensions of the muscles of the lateral abdominal wall in pregnant and non-pregnant women Assessment via ultrasound measurement transabdominally 3 groups of participants: 1.) 20 pregnant women, who have never been pregnant before; 2.) 40 pregnant women with their first pregnancy, followed over the course of pregnancy; 3.) 20 women1-5 days after delivery (10 after spontaneous delivery, 10 after planned cesarean section) comparison between pregnant and non-pregnant women; evaluation of influence of pregnancy and mode of delivery

Official Title
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Diastasis Recti Abdominis and Abdominal Muscles in Pregnant and Non-pregnant Women

Conditions
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Interrectal Distance, Diastasis Recti, Dimensions of the Muscles of the Lateral Abdominal Wall

Intervention / Treatment
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* Other: Ultrasound


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: non-pregnant women aged 20-45 y with a BMI < 30 kg/m2 who never were pregnant pregnant women aged 20-45 y with a BMI < 30 kg/m2 before pregnancy Exclusion Criteria: abdominal pre-operations chronical lung diseases constipation maternal collagenosis polyhydramnion (AFI > 25) uterus fibroids > 10 cm inability to perform Valsalva

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| non-pregnant women<br>20 non-pregnant women, BMI < 30 kg/m2, Nulligravidas, no abdominal pre-operations, aged 20-45 years, measurement of the abdominal muscles and interrectal distance by ultrasound | Other: Ultrasound<br>* ultrasound measures<br>|
| pregnant women<br>40 pregnant women, BMI < 30 kg/m2 before pregnancy, Primigravidas, no abdominal pre-operations, aged 20-45 years, measurement of the abdominal muscles and interrectal distance by ultrasound, consecutive measurement during the course of pregnancy | Other: Ultrasound<br>* ultrasound measures<br>|
| women who deliverd<br>20 pregnant women, BMI < 30 kg/m2 before pregnancy, Primiparas, no abdominal pre-operations, aged 20-45 years, measurement of the abdominal muscles and interrectal distance by ultrasound, measurement after delivery (10 after spontaneous delivery, 10 after elective cesarean section) | Other: Ultrasound<br>* ultrasound measures<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| interrectal distance |  | baseline | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| measurement of the abdominal muscles of the lateral abdominal wall by ultrasound. |  | baseline |