I often get questions about what is the best weapon for beginners. While your choice of weapon is a very personal choice there is some considerations for those with limited hand strength. This is not being sexist (just realistic) a lot of women have difficulty racking the pistol. So to start off with a weapon that they are having difficulty with both makes your initial experience difficult and can lead to safety issues.
In general the .380 or 9mm is a good way to start out. I have had good luck recommending the Smith and Wesson M&P Shield EZ M2.0 Series 9mm or .380. I keep the 9mm on hand for my students to test fire. Here is a link to a review of the gun, and there are many other reviews out there. The pistol is available through multiple retail and other sources at much less than the listed price on the Smith and Wesson site.