Parental consent is irrelevant has doesn't change anything. ( I robbed the bank, but it's okay, I had my parents' permission!)
16 is the age of consent in most of the places, so there will be nothing illegal about it.
No, the age of consent there is 16.
totally legal with parental consent
It depends on the state, but probably with parental consent. The prospect of a teenager getting parental consent is not an easy task.
The age of consent in Maryland is 16 so you are safe. If she had been a minor though no one had been able to give her consent. They had then broken the law.
18 without parental consent.
Most states only allow teens age 16 and up marry with parental consent but those who allow below 16 to marry also require a consent from the court. That is very difficult to get because you got to have good reasons why they would let a 15yo get emancipated. Getting pregnant is not exactly a sign of maturity. I can not answer fully since I do not know which state you are in but parental consent would be #1.
In some states getting married emancipates you. But since you need to be 18 in Oklahoma to get married without parental consent that is probably moot.
The legal age for getting a tattoo in British Columbia is 18 years old. Minors are not allowed to get a tattoo even with parental consent.
18 or with parental consent.
The legal age for getting a tattoo without parental consent in Israel is 18 years old. Individuals under 18 require parental permission to get a tattoo in Israel.
In most places, you have to be 18 years old. If you are younger, then you need parental consent. But I highly suggest researching getting a piercing before you decide that's what you want.
The legal age for getting a tattoo in Alberta is 18 years old. Minors under the age of 18 are not permitted to get tattoos in the province, even with parental consent.