![Characterisation of serum progesterone and progesterone-induced blocking factor (PIBF) levels across trimesters in healthy pregnant women | Scientific Reports Characterisation of serum progesterone and progesterone-induced blocking factor (PIBF) levels across trimesters in healthy pregnant women | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-020-59452-y/MediaObjects/41598_2020_59452_Fig1_HTML.png)
Characterisation of serum progesterone and progesterone-induced blocking factor (PIBF) levels across trimesters in healthy pregnant women | Scientific Reports
![Accuracy of single progesterone test to predict early pregnancy outcome in women with pain or bleeding: meta-analysis of cohort studies | The BMJ Accuracy of single progesterone test to predict early pregnancy outcome in women with pain or bleeding: meta-analysis of cohort studies | The BMJ](https://www.bmj.com/content/bmj/345/bmj.e6077/F3.large.jpg)
Accuracy of single progesterone test to predict early pregnancy outcome in women with pain or bleeding: meta-analysis of cohort studies | The BMJ
![Serum progesterone distribution in normal pregnancies compared to pregnancies complicated by threatened miscarriage from 5 to 13 weeks gestation: a prospective cohort study | BMC Pregnancy and Childbirth | Full Text Serum progesterone distribution in normal pregnancies compared to pregnancies complicated by threatened miscarriage from 5 to 13 weeks gestation: a prospective cohort study | BMC Pregnancy and Childbirth | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12884-018-2002-z/MediaObjects/12884_2018_2002_Fig1_HTML.png)
Serum progesterone distribution in normal pregnancies compared to pregnancies complicated by threatened miscarriage from 5 to 13 weeks gestation: a prospective cohort study | BMC Pregnancy and Childbirth | Full Text
![What Happens if my Progesterone Levels are too low? - Nabta Health | Personalised Healthcare for Women What Happens if my Progesterone Levels are too low? - Nabta Health | Personalised Healthcare for Women](https://nabtahealth.com/wp-content/uploads/2020/03/Nabta-Mar-26th_pogesterone-levels_2.png)
What Happens if my Progesterone Levels are too low? - Nabta Health | Personalised Healthcare for Women
![Correlation between luteal serum progesterone levels and pregnancy in ovulation induction - Fertility and Sterility Correlation between luteal serum progesterone levels and pregnancy in ovulation induction - Fertility and Sterility](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/5479788b-08d3-4bfd-8d1a-a85fca8a2a0d/fx1_lrg.jpg)