Types of birthmarks. There are two main types of birthmarks: Vascular birthmarks are caused by incorrectly formed blood vessels in your childâs skin. Examples include: 1  infantile hemangiomas: the most common vascular birthmark, it usually appears within one to two weeks of birth.ypes of birthmarks. There are two main types of birthmarks: Vascular birthmarks are caused by incorrectly formed blood vessels in your childâs skin. Examples include: 1  infantile hemangiomas: the most common vascular birthmark, it usually appears within one to two weeks of birth.
Winds S at 5 to 10 mph. Chance of rain 40%. Evening: Partly cloudy. Low 36F. Winds WNW at 10 to 15 mph.
9pm:The 02045, MA forecast for Mar 17 is 29 degrees and Clear. There is 67 percentage chance of rain and 10 mph winds from the West-Northwest. Friday:The Hull forecast for Mar 17 is 33 degrees and Sunny. There is 62 percentage chance of rain and 14 mph winds from the West-Northwest.