How can I predict my baby's eye color based on parent genetics?

Eye color inheritance follows patterns based on parent eye colors. Two brown-eyed parents: 75% brown, 18.75% green, 6.25% blue. One brown, one blue: 50% brown, 50% blue. Two blue-eyed parents: typically 99% blue, 1% green (brown very rare). Two green-eyed parents: 75% green, 25% blue. Most babies are born with blue or gray eyes; true eye color typically stabilizes between 6-12 months as melanin production increases. Genetics are complex - multiple genes influence eye color.

How tall will my child be as an adult?

The most accurate method is mid-parental height: add both parents' heights, divide by 2, then add 2.5 inches for boys or subtract 2.5 inches for girls. This predicts adult height within 4 inches for 95% of children. Other methods: multiply a 2-year-old's height by 2 (for boys) or height at 18 months by 2 (for girls). Bone age X-rays provide the most accurate predictions. Average adult heights: men 5'9", women 5'4". Genetics account for 60-80% of height; nutrition and health affect the rest.

What size shoes does my child need by age?

Average shoe sizes by age: 1-2 years - size 3-6 (4.25-5.5" foot); 2-3 years - size 6-9 (5.5-6.5"); 3-4 years - size 9-11 (6.5-7"); 4-5 years - size 11-13 (7-7.5"); 5-6 years - size 13-1Y (7.5-8"); 6-8 years - size 1Y-3Y (8-8.75"). Children's feet grow 0.5-1 size every 2-4 months. Always measure both feet - one is usually slightly larger. Allow 0.5" (thumb width) between longest toe and shoe end. Replace shoes when toes are less than half an inch from the edge.

How do I calculate safe medicine dosage for my child by weight?

Always dose by weight, not age, when possible. Common medications: Acetaminophen (Tylenol) - 10-15 mg/kg every 4-6 hours, max 5 doses/day; Ibuprofen (Advil/Motrin) - 5-10 mg/kg every 6-8 hours (for ages 6mo+). Example: 22 lb child (10 kg) needs 100-150 mg acetaminophen per dose. Always use the measuring device provided. Never exceed maximum daily doses. Infant drops are more concentrated than children's liquid - never interchange. When in doubt, call your pediatrician or pharmacist.

How do I combine parent names to create a unique baby name?

Popular name combining methods: 1) Syllable blending - take first syllables from each name (Brandon + Emily = Bremily); 2) Letter mixing - alternate letters (James + Anna = Janna); 3) Sound merging - combine beginning/ending sounds (Michael + Ella = Mella); 4) Meaning combination - find names that combine meanings from both parents' names; 5) Initial-based - use initials to find names (MK could inspire Mika). Consider: is it easy to spell and pronounce? Does it have any unintended meanings or nicknames?