Hui-Hsun Hsu

About

Hui-Hsun Hsu studied at one university through both degree stages, in two adjacent disciplines: a bachelor’s in the Department of Clinical Laboratory Sciences and Medical Biotechnology at National Taiwan University’s College of Medicine, and then graduate work at the same university’s Institute of Biotechnology. The first of those is the training that produces hospital laboratory scientists — people taught to run an assay to specification and to prove afterwards what was done. The second moves the emphasis onto cells and molecules: culture, manipulation at trace volumes and detection methods.

Those two halves correspond to the two halves of embryology work. Under the microscope, a human oocyte is a little over a hundred micrometres across, and microinjection has to cross the zona pellucida and the cell membrane without destroying what is inside. A biopsy at blastocyst stage lifts away a handful of cells from the trophectoderm layer, leaving the part that becomes the fetus untouched. Vitrification and warming are measured in seconds at the critical steps. None of this is guaranteed by naming a piece of equipment; it depends on the steadiness of the hands doing it, which is what postgraduate cell technique is training for.

The other half is what the clinical laboratory degree contributes: identification, chain of custody, contemporaneous records, verification before a result leaves the room. An IVF laboratory is unusual among hospital-adjacent laboratories because its specimen cannot be replenished and its output is a graded, time-stamped series of observations rather than a single number. Documentation habits from laboratory medicine transfer directly, and NUWA’s laboratory is the unit where both sets of habits get applied to eggs, embryos and the samples sent out for chromosome testing.

Clinical Expertise

Work in this laboratory follows a fixed order, and each stage is a distinct competence.

1. Embryology — Find the eggs in the fluid aspirated from the follicles, remove the cumulus cells, and classify maturity from morphology before fertilization is attempted; then score development each day and grade the two lineages of the blastocyst once it forms.
2. IVF laboratory operations — Select insemination or microinjection against the semen sample, confirm fertilization the next day, and hold the culture sequence together through to transfer, freezing or biopsy.
3. Biotechnology and cell-level technique — Manipulate material at single-cell scale: the holding pipette and injection needle used for ICSI, the biopsy for embryo testing, and the culture and handling conditions that keep a cell viable through either.
4. Clinical laboratory science and specimen handling — Process, identify and dispatch samples for preimplantation testing so that what the genetics laboratory receives can be traced back unambiguously to one embryo, and record the handling it passed through.
5. Gamete and embryo cryopreservation — Vitrify eggs or embryos and warm them again, then document survival; consistency through the sequence is what makes a published thaw figure repeatable.
6. Laboratory operations and documentation — Maintain batch records of egg number, maturity, fertilization and grade together with the environment that batch was grown in, since that record is what the treating physician reads before changing a protocol.

Why Choose Hsu

Two disciplines, one university. The bachelor’s and the master’s both sit in National Taiwan University’s medical and biotechnology system, which means the quality-assurance habits of laboratory medicine and the manual demands of cell work were acquired in the same place rather than picked up from two unrelated careers.

Micromanipulation is the graduate-level skill. Injection and biopsy are performed against a target measured in micrometres, where the difference between a usable embryo and a damaged one is execution rather than protocol. Institute-level training in cell and molecular technique is where that execution is built.

The clinical laboratory degree matters for testing cycles. Couples planning chromosome screening or single-gene testing are relying on a specimen chain that starts on the embryology bench. A first degree in clinical laboratory science is the qualification most directly about getting that chain right.

Records that let a plan be revised. Repeating a stimulation protocol is a decision made from laboratory figures — how many eggs, how many mature, how many fertilized, how many reached blastocyst. Documentation practice from hospital laboratory training is what makes those figures comparable between cycles.

A laboratory post, not a prescribing one. Protocol, timing and add-on decisions belong to the clinic’s physicians. What this appointment owns is the handling, grading and preservation of the gametes and embryos, which is the part of the process no patient sees directly.

Professional Affiliations

Degrees: bachelor’s, Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University; master’s, Institute of Biotechnology, National Taiwan University. Position: embryologist at NUWA Lab, the laboratory service of NUWA Fertility Center Taipei. The vitrification method and the egg-thaw survival figures attached to that unit describe the laboratory as a whole rather than any single member of its staff.

Suitable For

Where a cycle depends on microinjection, the technical step is the injection itself. Severe male-factor cases are fertilized by inserting a single sperm into each mature egg, and the surviving yield from that step is a function of steadiness and setup rather than of the protocol written beforehand.

The same is true when testing is planned. Biopsy removes a few cells from each blastocyst, the sample has to be identified, handled and shipped so that results can be matched back to the embryo they came from, and the embryo has to remain suitable for transfer or storage while that happens.

For patients freezing eggs or banking surplus embryos, the practical question is not whether the laboratory can freeze but whether thawing returns usable material every time. That is procedural consistency, and it is the part of cryopreservation an individual embryologist controls.

Patients going through several retrievals because ovarian response is limited depend on the numbers from one cycle being comparable to the next. Batch records with conditions attached are what allow a physician to tell a response problem from a handling problem.

And anyone who wants to know what happens to their eggs after the needle is withdrawn — how they are found, cleaned, judged, injected, cultured, biopsied or frozen, and at what intervals — is asking questions that belong to the bench, and that the bench is the place to have them answered.