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Table 1 Structure of control and intervention groups

From: Use of a portable system with ultrasound and blood tests to improve prenatal controls in rural Guatemala

 

Pregnant women intervention groupa

Pregnant women control groupb

Total

Area A

219

338

557

Area B

262

157

419

Area C

281

252

533

Total

762

747

1509

  1. aData obtained from the project database
  2. bData obtained from the records of the health providers (PEC-MSPAS)