The Church does not have a one-size fits all policy on family planning. It allows for Natural Family Planning, a scientific method that is co-operative with the natural law (God’s law) that when may be used for just or serious reasons after prayerful discernment. You are already have something at your disposal to use if necessary, no need to have a dispensation for something that is contra-ceptive & violates the Church law (which is God’s law, this is the natural law). This means no need for anything that works (contra) directly against the co-sharing (ceptive) nature of the sexual union, this includes any activity or object that seeks to separate out the unitive & procreative aspects of sex. NFP is totally acceptable & is information about a woman’s fertility that allows for a couple to discern each month through prayer & communication whether they are going to abstain during a possibly fertile time or not. NFP is highly effective (more than 99%) when a couple uses it consistently & correctly should a couple need to avoid a pregnancy for a just reason. NFP is as or more effective as any other method out there, why use an immoral method when there is a moral method available?
I would suggest that if you are feeling that there is a reason to avoid a pregnancy learning NFP as a couple and continue to pray for guidance (your marriage is you, your wife & God). There are a variety of methods out there and you can decide which is best for your marriage.
Most Catholics know little about why the Church teaches what it does, what NFP is or the like. If they did perhaps more would embrace it here in the States…I know that I when I wasn’t following this teaching I simply had no idea why it was taught or what NFP was. Once I learned it changed my pov on it & Dh’s (I use the MarquetteModel & it’s been great for us). With knowledge of the faith comes the ability to live the faith, but that means we as the “faithful” actually have to take the time to learn it, kwim?
Also, there are lots of reasons some people may not have large families that have nothing to do with contra-ceptive means. Reasons like: what age they married, infertility, health problems, and other reasons that aren’t our business. Don’t assume that just because a family is 1-2 kids that they aren’t being open to life in how they are approaching their marriage. There may be other reasons for their smaller family size, just like you cannot assume that just because a family is larger that they aren’t using contra-ceptive means. I have known may larger families (5+) who used barriers, hormones & sterlization–some even bragged that no one would guess not even their Priest because they had a “large” family & that they where meeting their quota. They didn’t get it’s not the # of kids you have that truly makes you a Catholic, it’s how you live your life & what’s in your heart.
If you are looking for NFP methods this site offers a variety of options and other information on why NFP: omsoul.com/
***On the natural law, old law (old testament), new law (Law of the Gospel)–scborromeo.org/ccc/p3s1c3a1.htm