Advice please

Amanda 🏴󠁧󠁢󠁥󠁮󠁧󠁿 baby #4 due Summer 2020

I was once told by my doctor that if you miscarry or have a termination, the few weeks after this, you’re fertility is much much higher than any normal month. Has anyone found they’ve caught quicker after this or is it still hit & miss?