Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answer updated 1 year ago
Bismihi ta'ala
It would not be classified as a sin, but Islam does strongly encourage having children, and therefore, one must strive as much as they can to conceive children, and multiple children as well. By natural means, or medical, as long as all shar'i requirements are observed.
And Allah knows best.