If u do know when the first day of last period was then the baby was conceived about 3 weeks after that. When doctor date ur pregnancy without an ultrasound they include ur weeks period and the 2 weeks befor you ovilated.
The Trinidad/Tobago Dollar is the official currency of Trinidad and Tobago. It is indicated by a Dollar sign, or TT$ to distinguish it from other Dollar currencies. It is subdivided into 100 cents. Its predecessor currencies are the Trinidadian Dollar and the Tobagon Dollar.
Barbados has its own currency known as the Barbadian Dollar. The currency symbol for the Barbados dollar is BBD. All items sold on the island are in Barbados dollars however US currency is widely accepted. You can very easily pay for something with US dollars and receive change in Barbadian dollars. But be aware that very few vendors will give you US dollars back in change.