Your Baby at 1 Month

Here are growth and development patterns of a child at one month. Each step listed represents an average of a time span of 6 to sometimes 12 weeks that is considered within the normal range for that behavior. Don't be concerned if your child is not doing something listed here. Each baby develops at his own pace.

Body Movement

  • Arms and legs are usually flexed, and movements are jerky.
  • Startle reflex: When baby's position is quickly changed or he hears a sudden loud noise, he extends both arms with open hands, then brings his arms to his chest with an embracing movement. He may also cry out at the time.
  • Step reflex: When baby is held upright with his feet touching a firm surface, he will make little stepping movements forward.
  • Lifts head for a few moments and turns head to side when lying on his tummy.

Eye-Hand Coordination

  • Eyes may cross due to lack of good muscle control.
  • Blinking reflex: Blinks in response to bright light.
  • Turns head from side to center to follow a slowly moving object with her eyes.
  • Stares at objects held 8 to 12 inches from her face.
  • Prefers to look at the human face, focusing on the eyes or mouth. Stares at simple black-and-white contrasting patterns, such as stripes, bull's-eye or checkerboard. Looks more at the outside edge than the internal pattern.
  • Grasp reflex: Grasps anything placed in her hand, clenches it briefly, then just lets go.
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