At 15 weeks, a baby usually measures about 10 cm from head to bottom and weighs roughly 70 to 120 grams, similar to the size of an apple.

At three months of pregnancy, the fetus is about the length of a plum, with formed organs, moving limbs, and a clear human profile.

One 10 week fetus usually measures around 3 to 4 centimeters from head to bottom and weighs only a few grams, about the size of a small strawberry.

From conception to birth, a baby grows from a cluster of cells to a fully formed newborn through predictable week-by-week stages over about 40 weeks.

The sex of a baby is set at conception and later confirmed with ultrasound, blood screening, and, when needed, diagnostic genetic tests.

A baby fever needs urgent care if your infant is under 3 months, seems very unwell, or has a temperature at or above 100.4°F (38°C).

Early hand and finger control lets a baby feed, play, and learn through tiny, coordinated movements.

The first breastfeeding after birth usually happens within the first hour and brings colostrum, skin-to-skin contact, and short, start-and-stop feeds.

You can work out your pregnancy week by counting from your last period, then refining that number with ultrasound and trusted due date tools.

A good post baby firming cream hydrates, smooths texture, and works best alongside time, gentle strength work, and steady daily use.