Ms Ragland started lessons on breastfeeding, child birth, new born care, CPR and first aid at the Cradle Company, an LA-based parenting clinic, according to a US source.
A source told the Daily Star: “Doria’s been taking newborn specialist classes with the Cradle Company.
“Two of the teachers, Brandi and Hannah, are training Doria at her home half an hour away to avoid attracting unwanted attention.
“Meghan wants to avoid hiring staff if possible once her first child arrives.
“The thought of having her mum move in with them and take on the role of baby nurse is the best possible solution to that.
“Even more so because it’s something Doria has always wanted to do anyway. She already specialises in pre-natal yoga.”
The revelations have obviously triggered fevered speculation Meghan is pregnant.
On Tuesday night, Meghan sparked further pregnancy rumours after she was pictured wearing a blue ruffled Jason Wu dress at the 100 Days to Peace gala event.
Royal fans were quick to point out the loose-fitted dress, with many saying the Duchess appeared to have a baby bump.
One tweet said: “I have a feeling Meghan Markle is pregnant.”
Another added: “Am I the only one that sees she’s pregnant?”
However, a source told US Weekly the pregnancy claims were false, insisting it was down to an unflattering dress.
The source said: “Chalk this pregnancy speculation to an unflattering dress and wind. Meghan and Harry have a busy rest of the year.
“They are excited to start a family but have always wanted to focus the first year of marriage on their official work and starting to bring awareness to causes close to them.
“That is their main focus before starting a family.”
Ms Ragland is set to move to the UK to be closer to Meghan and her husband, Prince Harry, according to her friends.
In May, Meghan’s mother reportedly quit her job as a social worker for the Didi Hirsch Mental Health Services clinic, and is expected to move to London as early as this month.
In August, Ms Ragland’s close friend in LA told Express.co.uk: “She is getting ready to move to London. I think she will be going as soon as possible. I know that she was eager to live closer to her daughter.
“She hasn’t been staying at her house for a while now. She has only visited the house very occasionally and when she is there she has had a security guard with her. He has been with her since about November.
“She is fiercely loyal to Meghan and would never betray her like the rest of them. They are so close.
“She also fell in love with England and told me when she got back that it’s somewhere she believes she too could happily live.
“I think this has been coming for a while. Even before the wedding she told me how she misses her Megs so much she would do anything to be closer to her, especially now Meghan will be starting a family of her own.”
Express.co.uk have contacted Kensington Palace for comment.