I agree with what fence sitter said -- I too am horrified by the aggressive reactions and advice given to Ops who ask for advice, telling them to make an aggressive response to a situation described briefly on line. I'm amazed at how quickly people reach judgments about situations and how quick they are to see everything as a battle and that they need to gpfigt to defend, themselves, their kids, 'their rights'.
On a basic level,mi agree that having kids is a choice in the UK for most. Contraception, abortion and giving children up means people can either have them or not. Most people having kids seem to have chosen to do so. They have considered a number of factors, which are usually personal to them in deciding to have kids. Many people will consider the strength if the relationship they are in, their financial position, if they already have kids or other caring responsibilities, their own age etc. Some will think wider about environmental issues or population growth, but I think the numbers altering their choices from what they would have been without these considerations are few, whilst lots are affected by the answers to the personal questions.
Some people choose actively to have kids without seeming to consider the personal factors mentioned above - so age, relationship strength, financial position,mother responsibilities. Whether that is because they do t consider those things matter, are a bit 'head in the sand' about how the answers to those questions, plus having kids will a afeectbtheir own lives and those of the kids, I'm not sure.
Finally some people seem to end up having kids without seeming to have made a choice - life just seems to happen around them. They didn't plan to be pregnant, but found they were. They didn't really plan to have a baby, but dpfind they have got to full term and given birth.....and they are parents. It's all just happened, seemingly out of their control and without them making an active choice at any point. Would it be true to say these people have had no choice? Perhaps it is for some and at certain points. People find they are pregnant due to abuse, failed contraception or mistake. They may not realise they are pregnant for a lomg time and it's really too late to have an abortion. They may be pressurised to have an abortion or not to have an abortion which removes the choice from themselves. This is the reality for some, but fortunately not the majority.
In the sense that having a baby doesn't just happen, but requires action such as having sex and choosing to remain pregnant.....for most people there is a choice. They can choose to do these things are not. For a few, even these basic things are taken out of their control.