"And we gather here because we believe as our Founders did that we are all of us born and unborn 'endowed by our Creator with certain unalienable rights.' And first among these rights is the right to life", Pence said.
Pence, with his wife Karen at his side, assured demonstrators: 'From the White House to your house, life is winning in America once again'.
Supporters of abortion access say bans infringe on women's rights and health, and lead to greater rates of injury and death among pregnant women. "We stand for women and children everywhere, to tell them we love you, we fight for you, and we are on the march for you".
Critics say that this platform makes the march unwelcoming to conservative women, who may support Trump and oppose abortion rights.
The vice president said, on Thursday, he met with young pro-life representatives of Students for Life of America.
45 years later, thousands braved the cold to attend Friday's event themed "Unique from Day One" a shift towards the message that 'pro-life is pro science'. We need to send a new senator who will support the Presidential appointees to the high court and support the sanctity of life.
Friday saw protesters take to the streets in the 46th annual March For Life - a pro-life rally that in recent years drawn crowds of over half a million people. "I will always defend the first right in our Declaration of Independence: the right to life". For decades, they have prayed passionately and stood tirelessly for the sanctity of life, speaking up for those who can not speak for themselves. "But it's also an enthusiastic time; we're changing hearts and minds". The media "will ignore us", Shapiro continued, and will pay more attention to "the five who show up tomorrow", referring to the Women's March scheduled for January 19 in Washington.
Crenshaw made an appearance at the March for Life event.
It was a multicolored sea of people, old and young, with some sporting bright blue knit hats, others wearing neon yellow hooded sweatshirts.
Some predicted the partial government shutdown would alter the plans for the March for Life, or at least keep crowds from coming. Thankfully, the number of abortions has been on the decline in recent years.
She said she came to Washington to "pray to end the terrible things going on with the people in this country that think they have the right-which is only God's-to give life and take it away".