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Authors
- Aguilar Barajas, I
- Chávez Curiel, A
- Estrada Razo, S
- Garcia-Vazquez, M G
- García Vázquez, G M
- Huerta Vargas, L F
- Huerta-Vargas, L F
- López-Martínez, M Guadalupe
- Ponce Ponce de León, A L
- Ponce-Ponce de Leon, A L
- Ponce-Ponce de León, A L
- Romero Gutiérrez, G
- Romero-Gutiérrez, G
- Vaca-Ortiz, N
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Topics
- Adolescent
- Adult
- Age Factors
- Amenorrhea
- Contraception
- Cross-Sectional Studies
- Female
- Humans
- Logistic Models
- Mexico
- Middle Aged
- Patient Acceptance of Health Care
- Postpartum Period
- Pregnancy
- Prospective Studies
- Risk Factors
- Ultrasonography, Prenatal
- diagnostic imaging
- methods
- statistics & numerical data
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