I'd be interested to read the scientific studies and articles on which you base your statements.

You might like to read this article for a start. There are lots more relevant articles available.

Why We Need a Contraception Revolution

Section headings in the article:

* We have already exceeded the Earth’s predicted carrying capacity—and climate change will make things worse.

* To reduce unplanned pregnancies, educate and empower young women and provide them with more contraception choices.

“An unplanned pregnancy can ruin young women economically,” explains Anderson. “We want to develop products that are more accessible to all women. Bringing the number of unplanned pregnancies down is an important step we can take to rebalance the planet.”

* New contraception approaches could help reduce healthcare costs, save human lives, and preserve Earth’s natural resources for future generations.

* New contraception concepts are already emerging.