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r/HyperemesisGravidarum↗

The Hyperemesis Education and Research (HER) Foundation's mission is to provide Hyperemesis Gravidarum (HG) support, advocacy, education, and research to improve treatment and outcomes. Hyperemesis Gravidarum (HG) is a debilitating and potentially life-threatening pregnancy disease marked by rapid weight loss, malnutrition, and dehydration due to unrelenting nausea and/or vomiting with potential adverse consequences for the mom-to-be and their newborn(s). Visit: Hyperemesis.org.

11k subscribers181 posts / mo in Sep 2026151 authors / mosince 2019

r/HyperemesisGravidarum has 11k members (+28% over the last 12 months). It gets about 181 posts a month from 151 people. Top topics: IV Insertion Tips, Sour Candies and Job Loss.

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When to post on r/HyperemesisGravidarum

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/HyperemesisGravidarum, removal risk and the rest of the report are one step away.

Size and growth

How r/HyperemesisGravidarum has grown

r/HyperemesisGravidarum

Subscriber growth

Subscribers over time

+28%in 12 months · +5.2% in 3 months · +1.3% in 1 month
Oct 202611k
Growing11k subscribers
Data since Apr 2020Live · through Oct 2026
r/HyperemesisGravidarum

Monthly activity

Posts, comments and authors per month

+21%vs Sep 2025 · +25% last 3 months vs the 3 before
Sep 2026181
BusierPeaked at 328 in Feb 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/HyperemesisGravidarum

Top topics

Share of the subreddit's posts

  1. IV Insertion Tips<0.1%
  2. Sour Candies<0.1%
  3. Job Loss<0.1%
  4. PregnancyVlogs&Rumors<0.1%
  5. BabyBumps<0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Squarespace
  2. Nature
  3. The New Yorker

The full report

Everything else about r/HyperemesisGravidarum

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research