The 26-year-old is currently in Cliffside rehabilitation centre, Malibu, California and will complete her stint in early August.
She has already asked many of her male friends if someone is willing to donate their sperm, reports dailystar.co.uk.
However, one of friend told actress: "See if you can take care of yourself before you think about bringing a kid into the world."
Lohan had recently expressed her wish to open a shop in New York once she is done with the rehab.
The actress will also start shooting for Oprah Winfrey Network's untitled documentary, which will be aired next year.