For genetic reasons not all breasts have the same texture and shape.

Doctors who perform mammogram tests divide breasts into four types: N1, P1, P2 and DY.

N1 breasts are composed primarily of fat with small amounts of glandular tissue.

P1 breasts contain chiefly fat (adipose tissue) with dense concentrations of ducts under the nipples.

P2 breasts are composed of adipose and glandular tissue with a prominent duct pattern near the nipples and in further areas occupying more than a quadrant (one-fourth of the volume of the breast).

DY breasts are breasts with a dense pattern of glandular tissue. 

You should also know that a woman's breasts can switch between different types, but only to a limited extent, i.e. N1 breasts will never change into DY type breasts, and vice versa.

Firm breasts of the DY type are the dream of many women. However, they present problems to doctors who perform mammogram tests as the dense glandular tissue makes it very difficult to notice lumps.

N1 breasts are very easy to diagnose as any lumps will be easily visible in the loose adipose tissue.

However, due to lack of space any lumps in DY breasts will grow small while lumps in N1 breasts can grow into very large tumours with diameters of several centimetres.

You should also be aware that because of their weight DY breasts are more likely to sag and pull the skin than N1 breasts, which are simply lighter.

Each type of breasts, it seems, has its pros and cons. You should be happy with whichever type you happen to have and look after the health of your breasts.

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