The phrase "her confinement" is correct and usable in written English.
It can be used in contexts discussing a person's imprisonment, restriction, or a period of being confined, such as during childbirth.
Example: "During her confinement, she had plenty of time to reflect on her life choices."
Alternatives: "her imprisonment" or "her restriction".
Last autumn, they closely monitored her confinement as part of a television series called "Big Brother".
For she's the one... who'll be in her confinement soon enough".
In her paranoia, she blamed Spain, the C.I.A. and the British Foreign Office for her confinement.
Her confinement kept her from attending the ceremony in Norway at which she was awarded the 1991 Nobel Peace Prize.
A second hearing in 1876 reversed the earlier finding of insanity and ended her confinement but left her publicly humiliated.
Indeed, for the work at hand, Jacobs believed she'd been spared – from slavery, from her confinement, from disease.
When she emerged – first in 1995, and then in 2010 after further periods of house arrest – that choked back road could serve as a metaphor for what happened to Burma during her confinements.
The friends of the former raised the mortgage on his house after thirty years of practice; and the latter after twenty years, being unable to pay a grocer's bill, agreed to tend his daughter, recently married, in all her confinements.
Ms. Yang, 39, described her recovery as uneventful, though she said, unlike her previous confinement, the center provided her the luxury of choosing her meals.
Fine lines were etched into her delicate features, and she looked gaunt, even though, according to her physician, Tin Myo Win, during her years in confinement her weight never fluctuated from a hundred and five pounds.
The film opens with an explanatory flashback in which the king and queen of Far Far Away, the parents of Shrek's wife, Fiona Cameron Diazz), are on the verge of giving up their kingdom to Rumpelstiltskin to save her from confinement when the news arrives of her rescue.
