Girls Head chart for Toddlers 21 month old

Summary of 21 month old Girls head charts
In most cases, Girls head measurements for this age group (21 month old) will lie within the range between 17 and 19 inches. The average head measurement for this age group Girls is 18 inches, according to the CDC.

Also visit 21-month-old boys head charts

Sex
Date of Birth
Date Measured
Head Circumference
(75.5 inches)
Unit of Measure

Summary of Results

Head Circumference for Age
Percentile
0%
Age
1 year, 9 months and 9 days
Head Size
192 cms / 75.5 inches

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21-Month-Old Girls - Head Circumference Data and Developmental Milestones

At 21 months old, your baby girl's head circumference remains a significant measurement to track her growth and development. Here are the head circumference measurements at different percentiles:

  • 3rd percentile head circumference: Approximately 20.57 inches (52.2 centimeters)

  • 50th percentile head circumference: Around 21.63 inches (54.9 centimeters)

  • 97th percentile head circumference: Approximately 22.89 inches (58.2 centimeters)

Physical Development:

At 21 months old, her physical abilities are flourishing. She may be running with greater speed and agility, climbing with confidence, and exploring her environment with curiosity. Her fine motor skills are improving, allowing her to use utensils with more dexterity and stack blocks with precision.

Cognitive Development:

Her language skills are rapidly evolving, and she may now form longer sentences to communicate her thoughts and feelings. She enjoys participating in conversations and may ask many questions as her curiosity about the world deepens.

Social and Emotional Development:

At this age, she's becoming more interactive with other children. She may engage in more cooperative play, share toys, and show interest in playing with peers. Her emotional expression continues to develop, and she may seek comfort or express empathy towards others.

Feeding and Nutrition:

Independence in feeding is growing, and she may enjoy using a spoon and fork more skillfully. She's also developing her preferences for certain foods and may show interest in helping with meal preparation.

Sleep Patterns:

Her sleep patterns may have become more predictable, with longer periods of nighttime sleep and consistent daytime naps. A soothing bedtime routine remains important to help her wind down and prepare for a restful night's sleep.

Parenting Tips for 21-Month-Old Girls - Nurturing Her Development

  • Encourage Active Exploration: Provide opportunities for her to run, climb, and explore her surroundings to support her physical development.

  • Stimulate Language Skills: Engage in meaningful conversations, read books together, and respond to her questions to nurture her language development.

  • Foster Social Interaction: Arrange playdates and encourage interactive play with other children to promote her social skills.

As she continues to grow and explore, her head circumference remains a valuable indicator of her growth. Cherish each milestone and embrace the joy she brings to your life as she continues to amaze you with her progress and curiosity.