Is it forbidden for a woman to complete her studies in mixed-gender universities, even if she adheres to the hijab and Islamic regulations, and is her education considered a sin, especially if she seeks to help women in her profession, or does Islamic law permit her to do so while observing the regulations?

Studying medicine is beneficial and useful. Imam Al-Shafi'i described it as "the knowledge of this world." Its study becomes even better when one intends to treat women and preserve their modesty, and this is among the great acts of obedience.

As for a woman studying in mixed-gender environments, if the mixing is permissible (with distinct areas and women adhering to hijab and Islamic manners), then there is no objection. However, if the mixing is forbidden (as in some universities), then it is not permissible to study there unless it is the only way to acquire knowledge, and under certain conditions: 1. Adherence to modest Islamic attire. 2. Avoiding unlawful actions such as mixing and speaking softly, and minimizing conversation with non-mahram men. 3. Minimizing attendance at mixed-gender lectures as much as possible. 4. Condemning evil with words or in one's heart, and avoiding association with sinful women.

If a woman adheres to these guidelines, she will be safe from temptation. If she is unable to repel temptation, she must cease studying in these places to safeguard her religion and morals.