Transcript for The New Face of Mormonism: Women
You're about to meet some Mormon missionaries about to change everything you think of when you hear the phrase Mormon missionaries. And they're very, very happy to meet How are you? Hola. Reporter: Meet the newest faces of an age-old tradition. Good afternoon. Reporter: Their cheer can be overwhelming. Did you know we're the happiest people in the world? Reporter: Happy, and happy to serve up something they say has transformed their lives. We're missionaries. Reporter: They are female Mormon missionaries. Just recently, they told us to look cute. People want to talk to you when they see you're just happy and colorful. My name is elder smith. Reporter: So recognizable and parodied on Broadway have been mostly men. But for the first time, women are allowed to become missionary when is they turn 19 instead of 21. It may sound like a tiny change, but it's sparking a massive revolution. Please check out women.org. Reporter: Overnight, nearly tripling the a sister missionaries. Each of my sisters were married by the time they were 19 or 20. And they didn't have the opportunity to go. Reporter: Do you think would you have served if it had not changed? I don't think so. Reporter: Since Mormon women tend to marry and have kids relatively young, that two-year shift makes alt difference. So what is it about mormonism that makes these women want to share their lifestyle? To understand, we got a rare glimpse inside the lives of six sister missionaries who all agreed to give up the comforts of home for their 18-month mission to Florida. All are the first women in their N families to go on a mission. This sister is from Denmark paired with sister who's come from New Zealand. They have a tutoring appointment with Richard santana who's thinking of joining the faith officially known as investigating. The fact that he was approach bid a female missionary was not necessarily a negative. I'm man, yeah. And if they're attractive, of course I'm going to be okay, yeah. Reporter: Do you think people are slightly more open to a female missionary? You're nodding your head. How come? It may be what we wear. Reporter: They mix conservatism with playfulness, navigating the neighborhood on bikes in their trademark long skirts. How hard was it to ride a bike in a skirt? Like this. Yes, yay! Reporter: As they roam the streets they bump into a man they've metz before from their missionary work. We gave you a book of Mormon. Vuf had a chance to -- I have not cracked it open yet. Reporter: Not everyone wants to stop and chat. We're missionaries and sharing the message about Jesus Christ. Have a wonderful day. Reporter: You got the brush-off. What goes through your mind when that happens? It kind of hurts, but yeah. Apparently the statistics say that for every 1,000 doors you knock, you might have one convert. Reporter: That's a pretty high rejection rate. I think it builds a lot of character. Reporter: Between the rejection and stereotypes, it's not always easy being Mormon. They say they're often grossly misunderstood. I believe in the principle of multiple marriage. Reporter: The show "Big love" focuses on a family. What do you say when someone says, oh, are you one of multiple iefrne wives? Now that's done away with. Reporter: Part of their mission work involves community service. I filled someone's bathtub one time. Reporter: And there is socializing foiked on the faith. We are going to have dinner with a recent convert. Reporter: A local Mormon family is hosting. Skye is the guest of honor. She grew up catholic like her mom. Reporter: Was she okay with you converting? No. No. Reporter: Why, what were her concerns? That I was joining a cult. She was concerned that they were brainwashing me and forcing me into some crazy religion. She's kind of come around now. Reporter: Anything surprising to you? How Normal people are. Reporter: You mean it's not a cult? No, it's not. Reporter: They're up at 6:30 every morning and can only phone home twice a year. What are the rules for direction though? We wear modest, attractive clothing. Reporter: And is it true that it goes all the way down to your bra Kol oar? Yeah. Reporter: Only white and nude, is that right? Mm-hm. Reporter: Why? You don't want a flowered bra to be seen through your shirt. Reporter: It's not to upset god. No. It's so you don't see a flowered bra in a shirt. Reporter: Men still have privileges within the church. Only men are ordained as priests. Women can't become priests despite an outcry from activists, and yet all the Mormon women we met defended the church. When god created Adam and eve, they both were equal but had different responsibilities. Never will men necessarily be able to pro create on their own and women won't hold the priesthood. Reporter: You can convert someone but you can't baptize them. That strikes me a little unfair, no? It strikes me as great that the men have the power to bless society and the family. Reporter: But shouldn't women be given that power as well? We have our own kind of power. Reporter: Power in some ways that is more visible than ever. You guys are representing the Mormon church with the flowery dress on. I love it. Reporter: I'm juju Chang in Orlando, Florida.
This transcript has been automatically generated and may not be 100% accurate.