Fetal Development

pregnancy

A fetal heartbeat is a key indicator of pregnancy progress and fetal well-being. This guide explains when the heartbeat begins, how it is detected at different stages, typical r...

pregnancy-development

At 34 weeks, fetal lung development focuses on maturation of air sacs, surfactant production, and preparation for effective breathing after birth. The lungs become more resilien...

pregnancy

At around 18 weeks, fetal development progresses into more distinct movements, sensory response, and growing anatomical structures, with baby size typically measured using stand...

pregnancy-imaging

An ultrasound at 6 weeks 0 days is typically an early transvaginal scan used to locate a pregnancy in the uterus, check viability, and estimate due dates. At this stage, many st...

pregnancy-health

A baby heartbeat is the rhythmic contraction and relaxation of the fetal heart that moves blood through the developing body, delivering oxygen and nutrients while removing waste...

pregnancy

At 17 weeks pregnant, your baby is roughly the size of a pear, measuring about 5 inches (13 cm) from crown to bottom and weighing around 5 to 6 ounces (140–170 g). The baby’...

pregnancy-development

Babies begin moving in the womb long before birth, and kicks are among the earliest and most reassuring signs of active development. Most people first feel fetal kicks—often d...

pregnancy

A baby’s heartbeat begins early in development and can be detected by ultrasound at specific, well-defined times. Below are the core facts you need, followed by a deeper expla...