Yes, women can produce milk without pregnancy, and this phenomenon is referred to as induced lactation. Induced lactation is the process of stimulating the production of breast milk when a woman has not been pregnant or given birth. There are several reasons why a woman may choose to induce lactation:

1. Adoption: Women who are adopting a baby may wish to breastfeed the child. They can stimulate milk production through various methods and then breastfeed or provide breast milk to the adopted child.
2. Surrogacy: Surrogate mothers may induce lactation to provide breast milk for the baby they are carrying on behalf of another family.
3. Relactation: Some women who have previously breastfed a child and then stopped can also induce lactation to resume breastfeeding.
4. Medical Reasons: In certain medical situations, such as when a baby is unable to breastfeed due to prematurity or illness, a woman may induce lactation to provide breast milk for her child.

Inducing lactation typically involves a combination of hormonal therapy, breast pumping, and dedicated breastfeeding or nursing to stimulate milk production. Consultation with a healthcare professional or a lactation consultant is recommended for women interested in induced lactation to ensure the process is done safely and effectively.