sep 22, 2021 · my experiences of slow/low hcg have not ended positively. I've had 3 unsuccessful pregnancies, all with low and/or slow hcg, including one where i had a hb. may 22, 2020 · slower doubling times of hcg in the first trimester have been associated with an increased risk of miscarriage but studies have also shown that slow rising hcg. slow rising hcg levels in early pregnancy. A rise above 35% in 48 hours.
