He doesn't seem to be able to explain the increase in fertility in the US since abortions should be decreasing the fertility here as well.
Sounds like junk science.
The increase in fertility in the US is coming from the welfare and immigrant class. The welfare class gets MONEY for having babies and large families are frequently part of immigrant cultures. Both of these groups start having babies in their teens. They aren't the ones having abortions.
"More than 250,000 abortions take place every year in Greece"
Lets see, the U.S. has 1.3 million abortions a year with a population of 280 million. Greece with 250K abortions and 1/25 the population has a much higher rate.
As it is in the U.S., 1/3 of our Pregnancies are aborted...