Here’s a week-by-week journey of fetal organ development—starting from the first heartbeat at week 4 to fully developed lungs, brain, and tiny fingers ready for birth! Fetal development week by week Baby organ development Pregnancy milestones How a baby develops in the womb First heartbeat in fetus Pregnancy growth stages Womb to birth journey Baby’s first movements Miracle of life Pregnancy care #FetalDevelopment #BabyGrowth #PregnancyJourney #WombToBirth #FirstHeartbeat #PregnancyMilestones #B