Life Begins

Fertilisation is the union of sperm

Fertilisation is the union of sperm and ovum. The fertilised ovum is called a zygote. The zygote attaches to the uterus and begins development by draw

After attachment to the uterine wall

After attachment to the uterine wall, the developing ball of cells is called an embryo. When it attains human form, it is called a foetus. After birth

The first indication of pregnancy

The first indication of pregnancy is a missed menstrual period. Other changes include morning sickness, breast enlargement and tenderness, darkening o

Pregnancy lasts about 280 days

Pregnancy lasts about 280 days or nine months. This period is divided into three trimesters: 0-3 months, 3-6 months, and 6-9 months.

The fertilised egg divides

The fertilised egg divides, becomes an embryo after attaching to the uterus, and by the end of three months vital organs like the heart and lungs form