the proposed Africa tour, requested by the government, has been scheduled for two weeks in October.
The source added: "They hope the royal baby will be with them but will make a decision nearer the time.
"Potentially, Meghan and the baby could do some, if not all, of the trip."
They are thought to be planning to spend four months of the year in Africa Credit: PA:Press Association While the first trip could be October of this year Credit: Getty - Contributor The Sun revealed last week that Meghan and Harry plan to move to Africa for four months of the year , to carve out their own unique role among the royals.
They are expected to focus on education, conservation and youth empowerment on the extended trips.
It's not yet known which countries the Duke and Duchess will visit, but they are expected to include Commonwealth nations.
The couple have previously travelled to Lesotho, Malawi, South Africa and Zambia.
They famously spent their first holiday camping under the stars in Botswana in 2016 and returned for Meghan's 36th birthday in 2017.
Baby Sussex could join mum and dad for part of the trip, but they will decide closer to the time Credit: PA:Press Association Diana and Charles were the first royals to take their kids abroad at a young age - with a nine-month-old William visiting Australia and New Zealand in 1983.
The Queen tended to leave the kids home in Britain, with her mother, during her royal tours with Prince Philip.
She famously went on a six-month Commonwealth tour without the kids shortly after her coronation, when Charles was just five and Anne three years old.
Piers Morgan previously blasted Meghan and Harry for ‘wasting taxpayers money on Africa move’ to escape ‘rift’ with Kate and Wills.
While one etiquette expert thinks Meghan will chose an African middle name for her first child , in a break from tradition.
Meghan Markle is due to give birth TODAY as Prince Harry eagerly awaits baby’s arrival