Responsible: WHO Library
Description: This search was used to inform a systematic review on first Trimester abortions using Misoprostol alone. Spontaneous Abortions (Miscarriages) were included in the search.
Main subjects: First Trimester Pregnancy
Search result: "VHL Regional Portal"

Search strategy: "Pregnancy Trimester, First"[Mesh] OR first-trimester*[tiab] OR 1st-trimester*[tiab] OR primary-trimester*[tiab] OR "early pregnancy"[tiab:~3] OR "early pregnancies"[tiab:~3] OR "early abortion"[tiab:~3] OR "earlier abortion"[tiab:~3] OR "early abortions"[tiab:~3] OR "earlier abortions"[tiab:~3] OR "early termination"[tiab:~3] OR "earlier termination"[tiab:~3] OR "8 week gestation"[tiab:~2] OR "9 week gestation"[tiab:~2] OR "10 week gestation"[tiab:~2] OR "11 week gestation"[tiab:~2] OR "12 week gestation"[tiab:~2] OR "8 week gestational"[tiab:~2] OR "9 week gestational"[tiab:~2] OR "10 week gestational"[tiab:~2] OR "11 week gestational"[tiab:~2] OR "12 week gestational"[tiab:~2] OR 63-days[tiab] OR 56-days[tiab]

Search strategy: #11 MeSH descriptor: [Pregnancy Trimester, First] explode all trees #12 (first-trimester* OR 1st-trimester* OR primary-trimester* OR "63 days" OR "56 days"):ti,ab,kw #13 ((early OR earlier) NEAR/3 (abortion* OR pregnanc* OR termination*)):ti,ab,kw #14 (("8 week" OR "9-week" OR "10-week" OR "11-week" OR "12-week") NEAR/3 (gestation*)):ti,ab,kw #15 #11 OR #12 OR #13 OR #14

Search strategy: 'first trimester pregnancy'/exp OR 'first trimester abortion'/exp OR (first-trimester* OR 1st-trimester* OR primary-trimester* OR 63-days OR 56-days):ti,ab,kw,de OR ((early OR earlier) NEAR/3 (abortion* OR pregnanc* OR termination*)):ti,ab,kw,de OR ((8-week OR 9-week OR 10-week OR 11-week OR 12-week) NEAR/3 (gestation*)):ti,ab,kw,de

First Trimester of Pregnancy

Repository of search strategies on the VHL Topic-specific queries