In humans, cancer may be caused by genetics and environmental exposures; however, in
the majority of instances the identification of the critical time window of exposure is …

OBJECTIVE: To evaluate growth and development of children born after IVF treatment.
DESIGN: Literature review. CONCLUSION (S): At present there is substantial evidence that …

Background In-vitro fertilisation is an effective treatment for infertility, but there is concern
about the health of children. We investigated, in a retrospective-registry study …

OBJECTIVE: To clarify the association between fertility treatment and the risk for cancer in
children. DESIGN: Meta-analysis. SETTING: None. PATIENT (S): Twenty-five cohort and …

STUDY QUESTION Do children and young adults born after assisted reproductive
technology (ART) have an increased risk of cancer? SUMMARY ANSWER Children born …

Abstract Evaluation of the long-term health of children born using in-vitro fertilization (IVF)
provides important information to clinicians and consumers. Until very recently, there have …

METHODS: The Medical Birth Registry of Norway contains individual information on all
children born in Norway (including information of ART conceptions). All children born …

Letrozole is a third-generation selective aromatase inhibi-tor that blocks the rate-limiting step
in the production of estrogen from androstenedione and testosterone substrates. Letrozole is …

Childhood cancer is rare comprising less than 1% of all malignancies diagnosed each year
in developed countries. Leukaemia is the commonest form of cancer in children accounting …

Prior studies on the association between fertility treatment and childhood cancer risk have
generated inconsistent results. We performed a systematic review and meta‐analysis of …