Men carrying various religious paraphenalia, stand outside a Planned Parenthood, waiting for organizers of the National Men's March to speak.

Several young children participated in the march on Saturday. When asked, another participant expressed dissatisfaction with the inclusion of women and children as the march was intended for 'Men'.

A Men's March participant prays with the help of typed notes outside of Planned Parenthood.

A woman and her son look on at the commotion unfolding in front of Planned Parenthood in Boston, MA.

A man closes his eyes in prayer outside Planned Parenthood.

Anti-abortion protestors line up to begin their march along Commonwealth Avenue.

A main figure of the anti-abortion march walks as a counter-protester loudly plays a cowbell.

Anti-abortion marchers are met with resistance by counter-protesters dressed as clowns, many of them playing instruments as the march continued down Commonwealth Avenue.

Many anti-abortion participants wore pins, allegedly showing the size of a fetus' feet at one point during gestation.

Many anti-abortion marchers carried large poster boards during the march.

Opposing sides clash outside Kenmore Square.

An Anti-abortion activist yells as police detain a counter-protester in Kenmore Square.

Counter-protesters bring signs together to try and impede the anti-abortion marchers, while a Boston Police officer attempts to push them back.

Counter-protesters link arms to try and stop the advance of police.

U.S. Rep. Katherine Clark’s daughter, Riley Dowell, is detained by Boston police. The confirmed number of individuals arrested was 17, after BPD initially annouced nine.

A Men's March participant directs others to hold the line.

An anti-abortion marcher holds up a rosary and cross while police try to separate the two groups to allow the march to continue.

Jim Havens, and two of his sons, watch as police hold back counter-protesters during a clash in Kenmore Square.

Counter-protesters, some dressed as clowns and playin instruments, wait while the Men's March reogranizes with the help of police before continuing their march.

Joe, a central Massachusetts resident, has participated in previous Men's Marches and leads the group down Commonwealth Avenue. His megaphone was stolen by counter-protesters.

A counter-protester holds firm as a police officer attempts to move them back.

A Boston Police Officer detains a counter-protester.

After broadcasting an order to leave the area, Boston Police detain another counter-protester before the Men's March continues towards Boston Common.

A counter-protestr asks a legal observer to contact her mother while reciting her phone number as they are detained by Boston Police.

A Boston Police Officer in Right Gear guards the perimiter of the Parkman Bandstand, where anti-abortion marchers ended their route before addressiing their supporters.