The United Nations and Kenyan government on Monday came under fire on the eve a global conference on sexual and reproductive health with Christian groups claiming hosting the event was promoting abortion and homosexuality in the East African nation.

More than 6,000 participants — including heads of state, government ministers, financial institutions, donors and civil society groups — from 160 nations are due at the International Conference on Population and Development (ICPD) in Nairobi.

The three-day meeting will focus on issues ranging from maternal deaths and child marriage to sex education and female genital mutilation.