Pregnancy and the forbidden points

The one contraindication that is also an indication, and how to tell which reading applies.

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Most safety rules are subtractive. They remove an option and leave the rest of the decision alone. The classical forbidden points are not like that, and the reason is worth stating plainly: they are forbidden because of what they are held to do. Points said to move a pregnancy along are avoided while a pregnancy is meant to continue, and they are the standard choice when it is meant to end. Same points, opposite instruction, and the thing that flips it is the week.

Two readings, one field

73 of the 773 points in this catalogue carry a caution naming pregnancy, counted from the database as this page is served. Read as a flat prohibition, some of those rows contradict themselves: the point warns against pregnancy and lists labour induction among the things it treats. That is not a data error. It is one field trying to hold two clinical situations.

AcuiQ separates them explicitly:

  • Gestational. The point is needled during a pregnancy that is meant to continue – morning sickness at fourteen weeks, a musculoskeletal complaint in the second trimester. Here the caution and the indication disagree. The point page renders both fields as the catalogue holds them. AcuiQ’s database audit, an internal script rather than a page on this site, carries the disagreement, and the rows it finds today are listed with the audit write-up, counted when that page is served. Deciding which of the two fields is wrong is a clinical call, so neither is edited to make the row look settled.
  • Labour. The point is needled at term to bring on or ease delivery, or where expulsion is the intended outcome. Here the caution and the indication are the same fact seen from two sides, and nothing needs correcting.

Postpartum use is neither. The pregnancy is over, so a pregnancy caution has stopped applying and the row is read normally.

What the catalogue says

BL60 and BL67 hold both readings in one field, and their entries say so in as many words: traditionally forbidden in pregnancy, and the points used to bring on labour at term. The same entries close on the instruction that survives either reading – in pregnancy, needle only on a clear obstetric indication.

A second group is anatomical rather than classical. 14 points carry a caution about needling over the gravid uterus: CV02, CV03, CV04, CV06, CV12, KD11, KD21, ST25, XC09, XC11A, XC11B, XC11C, XC11D and XC11E. The group is found by that wording, not kept as a list, so a row that gains the wording is counted here when this page is next served.

Those cautions turn on the gravid abdomen rather than on any property of the point: avoid needling over the gravid uterus after the first trimester, and where used, needle shallowly and on a clear obstetric indication. That caution behaves like the pneumothorax cautions described in Reading a point warning – it is about what is underneath, and it does not reverse at term.

The rows on the upper abdomen carry a cutoff their own reasoning does not reach. CV12 sits four thumb widths above the umbilicus, the five points of the Meihua group around it (XC11A to XC11E) three and a half to four and a half, and KD21 six, and the fundus reaches the umbilicus at around 20 weeks, after which symphysis-to-fundus in centimetres tracks the week of gestation (StatPearls, Gestational age assessment). Nothing gravid lies under any of them through most of the second trimester, so the wording warns earlier than the anatomy it cites.

The cutoff comes from somewhere else. Carr records the classical teaching that abdominal points above the umbilicus, CV12 among them, may be needled up to 12 weeks and not after, and reads that rule as support for uterine penetration being the concern behind the abdominal points. The row holds a classical cutoff with an anatomical reason printed beside it, and the two do not cover the same weeks. The wording is the more cautious of the two, which is why it has stood, and it is logged for reconciliation rather than widened to the rest of the group.

Where the evidence sits

The classical prohibition and the trial evidence do not fully agree, and the catalogue records both rather than picking a winner. The forbidden-point entries cite one review (Carr 2015), which read fifteen trials covering 823 women needled at one or more forbidden points and found rates of preterm birth and stillbirth level with untreated controls. That finding is on the page, with its citation. The review adds an observational cohort of 5,885 women needled at forbidden points at every stage of pregnancy, whose rates of miscarriage, of preterm contractions and of delivery before the due date matched untreated controls or the expected incidence; that cohort did not report preterm birth by its usual definition. Neither is a clearance: the prohibition is older than the trials, the controlled evidence covers 823 women, and a practitioner deciding for one patient is not doing meta-analysis.

Read to the end, that review cuts the other way as well. Carr found no reliable evidence that needling can bring on a miscarriage or a labour either, including in post-dates pregnancy and after intrauterine foetal death. The prohibition and the indication rest on the same belief, that these points move a pregnancy along, and the review supports neither half of it. A page quoting only the reassuring half would be citing a source it had stopped reading.

One strand of that review is evidence AcuiQ refuses everywhere else. Carr’s fourth line is electroacupuncture in pregnant rats, and this database drops animal studies before they reach the matcher, because a prescription validated in a rat carries no dosing meaning for a person. The other three lines are human, and they carry the finding.

The honest position, and the one AcuiQ takes, is that this is a live disagreement between two bodies of knowledge. The catalogue’s job is to show you both, labelled, with the source attached. It is not to resolve them for you, and a tool that picked a side here without saying so would be making a clinical decision it has no standing to make.

Reading a row

Three questions settle almost every case. Is the caution about the point or about the tissue under it? Is the pregnancy meant to continue? And does the source predate the trial evidence the same page cites? A row that survives all three is telling you something. A row that fails the first is telling you about anatomy, which does not negotiate.

Sources

  1. ↑ AcuiQ point catalogue, browsable index ↗
  2. ↑ BL67 catalogue entry, warnings field as rendered ↗
  3. ↑ BL60 catalogue entry ↗
  4. ↑ XC11A catalogue entry, one of the Meihua group, location and warnings fields as rendered ↗
  5. ↑ Carr DJ, The safety of obstetric acupuncture: forbidden points revisited, Acupunct Med 2015 ↗
  6. ↑ Gestational age assessment, StatPearls, NCBI Bookshelf ↗