Birth control Sabotage

I found this American site today entitled KNOW MORE. Know more about coercion, abuse, & birth control sabotage, and the consequences for our health.

I had never thought about men using violence against women in the form of tricking them into becoming pregnant;

Carollee's Story>

Carollee started dating a 32-year-old man when she was 19. She noticed that whole rows of pills would disappear. When Carollee called her boyfriend on the disappearing birth control, he responded that he “knew” she wanted to have his child.

Jessica's Story>
He threatened me when I asked to use birth control, and always refused to use condoms after we became exclusive. When we decided to continue the pregnancy and marry, the overt abuse started within days of our wedding…

Is this form of violence prevalent in Oz?

What would the reasons behind such abuse be?

They have an online poster which can be downloaded

Does any one know of any good on-line resources relating to healthy relationships? It's a topic I'm keen to explore this year. I would really like to find some creative ways to explore how young men can positively engage in their relationships with females and other males - love, respect, initmacy.