45-Week-Old Baby: Milestones, Development & What to Know

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As your little one approaches their first birthday, exciting developments are on the horizon! At 45 weeks old, your baby is likely practicing their first steps, standing, and holding onto furniture for support. Here’s a closer look at what to expect from your 45-week-old darling.

Milestones & Development

Growth

At this stage, the average weight for girls is around 19 pounds, while boys typically weigh about 20.4 pounds. In terms of height, girls average 28.3 inches, and boys are about 29 inches tall. It’s completely normal for growth to slow down as their big day approaches.

Emerging Skills

Your little one might be mastering gestures like shaking their head “no” or waving goodbye. Hand-eye coordination is getting better, too! They might enjoy banging blocks together, placing toys in a box, and then taking them out. You’ll notice they’re becoming more upright, cruising around and gearing up for those first solo steps if they haven’t taken them yet.

Health

Feeding

If you’re breastfeeding, continuing to nurse your baby about five times a day is perfectly fine, although this can vary. For formula-fed babies, four to five bottles a day, totaling no more than 32 ounces in 24 hours, is typical. Remember, every baby is unique, so it’s always best to consult with your pediatrician if you have questions. Your little one is likely thriving with solid foods now, so keep introducing nutritious options while avoiding choking hazards like whole grapes and popcorn. It’s wise to hold off on cow’s milk and honey until after their first birthday.

Sleep

Expect your 45-week-old to get around 12 to 16 hours of sleep within a 24-hour period, ideally with a mix of nighttime sleep and a couple of naps during the day.

Common Ailments

Teething can be a challenge at this age, as your baby may already have a few teeth—and possibly more on the way! This can lead to discomfort and fussiness. A few techniques to ease teething pains include gentle gum massages and using a cold, wet washcloth. Remember to brush those tiny teeth daily with baby toothpaste once they break through.

FAQs

Can I add cereal to baby’s bottle?

It might have been a common practice in the past, but today’s experts advise against adding cereal to a bottle. This can lead to choking hazards and excessive weight gain. Instead, try spoon-feeding cereal or letting them practice self-feeding!

How will I know if baby’s allergic to certain foods?

The most common food allergies in babies include eggs, milk, and peanuts. Keep an eye out for reactions such as rashes or gastrointestinal issues.

For more insights on baby development, check out this related post from our other blog. And if you’re considering home insemination, Cryobaby offers top-notch kits that can help you on your journey. Additionally, Healthline is an excellent resource for understanding pregnancy and home insemination.

In summary, your 45-week-old baby is rapidly developing new skills and growing into their personality. Keep an eye on their feeding, sleep, and teething, and embrace this exciting stage of their journey!


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