APIN has operated since 1982, with a two-year gap in the early 1990s. APIN developed in 1982 in response to a report by the Community Task Force on Maternal and Child Health. It recognized the need for more and better services for pregnant and parenting adolescents and the value in better communication among service providers.

In 1986 the Network drew up a constitution. By the early 1990s, APIN had 850 members province-wide. With government cutbacks in 1992, the province withdrew its financial and administrative support forcing the cancellation of the newsletter. Membership declined.

In 1994, a partnership composed of New Directions (formerly the Children’s Home of Winnipeg), Winnipeg Public Health, Winnipeg City Social Services, The Family Centre of Winnipeg, Villa Rosa, and Marymound developed a proposal to secure funding from Brighter Futures. The goals were to resurrect the Network and expand membership to include all relevant individuals and organizations working with pregnant and parenting adolescents. A grant was received and APIN was re-established.

In 1999, APIN received continued funding from Program 8, Innovative and Preventive Child and Family Services, of the tri-partite Winnipeg Development Agreement. APIN continued with funding from the Winnipeg Development Agreement until 2002 when funding was received from Healthy Child Manitoba. Healthy Child Manitoba continues to fund APIN.

In 2003/2004 APIN was part of a project with Healthy Child Manitoba creating a pregnancy options video for teens and the professionals working with them. The video and corresponding print materials titled “Your Choice for Your Reasons” was launched and distributed free of charge throughout the Province.

APIN continues to publish a regular newsletter, evolving from publishing six times a year to four. APIN has moved to a larger distribution of the newsletter by email as more members have access to email and to provide a better alternative for the environment.

Until 2005, APIN provided an annual spring conference which involved both adolescents and the professionals working with them. APIN decided that having two separate conferences would better meet the needs of the adolescents and professionals. The spring conference is now only for professionals working with adolescents and the fall conference is for pregnant and parenting adolescents.

In May 2009, APIN held its first Western Regional Conference inviting participants from Saskatchewan, Alberta and British Columbia. The keynote speaker was Dr. Harvey Karp. By all accounts the conference was a great success.