Publications by authors named "Wing Kay Fok"

Purpose Of Review: Combined oral contraceptive pills are among the most widely used contraceptive methods globally. Despite their popularity, the potential risks and side effects can lead to both high discontinuation rates and adverse outcomes including thromboembolic events. The quest for a safer alternative to the traditional ethinyl estradiol/progestin combination has led to the use of newer oestrogens.

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Objective: To evaluate whether a 12-mL paracervical block is noninferior to a 20-mL block in reducing pain with osmotic dilator insertion.

Methods: In this single-blinded noninferiority trial, we randomized individuals undergoing insertion of osmotic dilators before second-trimester abortion to receive either a 12-mL or 20-mL 1% lidocaine paracervical block. The primary outcome was pain immediately after insertion of osmotic dilators.

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Objectives: To evaluate individuals' ability to perform and comprehend low-sensitivity and multilevel urine pregnancy tests during medication abortion follow-up.

Study Design: We conducted a pilot study of individuals using mifepristone and misoprostol for medication abortion through 63-days gestation. We randomly assigned participants to use a 1000 mIU/mL low-sensitivity pregnancy test or a five-level multilevel pregnancy test.

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Purpose Of Review: To evaluate the recent literature on mobile health applications available to patients for contraception and abortion care.

Recent Findings: Women are increasingly interested in contraceptive tools utilizing mobile technology, and a majority of women expect them to be science-based. The largest number of available mobile apps supports natural family planning methods, which is recognized as the least effective contraceptive method.

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Abortion through telemedicine.

Curr Opin Obstet Gynecol

December 2018

Purpose Of Review: Medical abortion offers a well tolerated and effective method to terminate early pregnancy, but remains underutilized in the United States. Over the last decade, 'telemedicine' has been studied as an option for medical abortion to improve access when patients and providers are not together. A number of studies have explored various practice models and their feasibility as an alternative to in-person service provision.

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HIV and contraception.

Curr Opin Obstet Gynecol

December 2017

Purpose Of Review: Contraception is a vital component of medical care for women with HIV or at high risk of acquiring HIV. Over the last several years, there has been emerging evidence regarding the safety and effectiveness of various contraceptive methods, ultimately leading to a revision in the WHO Medical Eligibility Criteria for contraceptive use.

Recent Findings: Progestogen-only injectables may be associated with an increased risk of HIV acquisition and its use has been revised to category 2 from category 1.

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Purpose Of Review: Emergency contraception provides a critical and time-sensitive opportunity for women to prevent undesired pregnancy after intercourse. Both access and available options for emergency contraception have changed over the last several years.

Recent Findings: Emergency contraceptive pills can be less effective in obese women.

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